31238656

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 80

約数和(自身を含む): 68573736

約数和(自身を除く): 37335080

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 97, 128, 136, 148, 194, 256, 272, 296, 388, 512, 544, 592, 629, 776, 1088, 1184, 1258, 1552, 1649, 2176, 2368, 2516, 3104, 3298, 3589, 4352, 4736, 5032, 6208, 6596, 7178, 8704, 9472, 10064, 12416, 13192, 14356, 18944, 20128, 24832, 26384, 28712, 40256, 49664, 52768, 57424, 61013, 80512, 105536, 114848, 122026, 161024, 211072, 229696, 244052, 322048, 422144, 459392, 488104, 844288, 918784, 976208, 1837568, 1952416, 3904832, 7809664, 15619328, 31238656]

約数ペア:

[(1, 31238656), (2, 15619328), (4, 7809664), (8, 3904832), (16, 1952416), (17, 1837568), (32, 976208), (34, 918784), (37, 844288), (64, 488104), (68, 459392), (74, 422144), (97, 322048), (128, 244052), (136, 229696), (148, 211072), (194, 161024), (256, 122026), (272, 114848), (296, 105536), (388, 80512), (512, 61013), (544, 57424), (592, 52768), (629, 49664), (776, 40256), (1088, 28712), (1184, 26384), (1258, 24832), (1552, 20128), (1649, 18944), (2176, 14356), (2368, 13192), (2516, 12416), (3104, 10064), (3298, 9472), (3589, 8704), (4352, 7178), (4736, 6596), (5032, 6208)]