391401984

素因数分解:

$2^9\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 160

約数和(自身を含む): 1097179776

約数和(自身を除く): 705777792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 71, 74, 96, 97, 111, 128, 142, 148, 192, 194, 213, 222, 256, 284, 291, 296, 384, 388, 426, 444, 512, 568, 582, 592, 768, 776, 852, 888, 1136, 1164, 1184, 1536, 1552, 1704, 1776, 2272, 2328, 2368, 2627, 3104, 3408, 3552, 3589, 4544, 4656, 4736, 5254, 6208, 6816, 6887, 7104, 7178, 7881, 9088, 9312, 9472, 10508, 10767, 12416, 13632, 13774, 14208, 14356, 15762, 18176, 18624, 18944, 20661, 21016, 21534, 24832, 27264, 27548, 28416, 28712, 31524, 36352, 37248, 41322, 42032, 43068, 49664, 54528, 55096, 56832, 57424, 63048, 74496, 82644, 84064, 86136, 109056, 110192, 114848, 126096, 148992, 165288, 168128, 172272, 220384, 229696, 252192, 254819, 330576, 336256, 344544, 440768, 459392, 504384, 509638, 661152, 672512, 689088, 764457, 881536, 918784, 1008768, 1019276, 1322304, 1345024, 1378176, 1528914, 1763072, 1837568, 2017536, 2038552, 2644608, 2756352, 3057828, 3526144, 4035072, 4077104, 5289216, 5512704, 6115656, 8154208, 10578432, 12231312, 16308416, 24462624, 32616832, 48925248, 65233664, 97850496, 130467328, 195700992, 391401984]

約数ペア:

[(1, 391401984), (2, 195700992), (3, 130467328), (4, 97850496), (6, 65233664), (8, 48925248), (12, 32616832), (16, 24462624), (24, 16308416), (32, 12231312), (37, 10578432), (48, 8154208), (64, 6115656), (71, 5512704), (74, 5289216), (96, 4077104), (97, 4035072), (111, 3526144), (128, 3057828), (142, 2756352), (148, 2644608), (192, 2038552), (194, 2017536), (213, 1837568), (222, 1763072), (256, 1528914), (284, 1378176), (291, 1345024), (296, 1322304), (384, 1019276), (388, 1008768), (426, 918784), (444, 881536), (512, 764457), (568, 689088), (582, 672512), (592, 661152), (768, 509638), (776, 504384), (852, 459392), (888, 440768), (1136, 344544), (1164, 336256), (1184, 330576), (1536, 254819), (1552, 252192), (1704, 229696), (1776, 220384), (2272, 172272), (2328, 168128), (2368, 165288), (2627, 148992), (3104, 126096), (3408, 114848), (3552, 110192), (3589, 109056), (4544, 86136), (4656, 84064), (4736, 82644), (5254, 74496), (6208, 63048), (6816, 57424), (6887, 56832), (7104, 55096), (7178, 54528), (7881, 49664), (9088, 43068), (9312, 42032), (9472, 41322), (10508, 37248), (10767, 36352), (12416, 31524), (13632, 28712), (13774, 28416), (14208, 27548), (14356, 27264), (15762, 24832), (18176, 21534), (18624, 21016), (18944, 20661)]