217751808

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 608948480

約数和(自身を除く): 391196672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 79, 96, 97, 111, 128, 148, 158, 192, 194, 222, 237, 256, 291, 296, 316, 384, 388, 444, 474, 582, 592, 632, 768, 776, 888, 948, 1164, 1184, 1264, 1552, 1776, 1896, 2328, 2368, 2528, 2923, 3104, 3552, 3589, 3792, 4656, 4736, 5056, 5846, 6208, 7104, 7178, 7584, 7663, 8769, 9312, 9472, 10112, 10767, 11692, 12416, 14208, 14356, 15168, 15326, 17538, 18624, 20224, 21534, 22989, 23384, 24832, 28416, 28712, 30336, 30652, 35076, 37248, 43068, 45978, 46768, 57424, 60672, 61304, 70152, 74496, 86136, 91956, 93536, 114848, 122608, 140304, 172272, 183912, 187072, 229696, 245216, 280608, 283531, 344544, 367824, 374144, 459392, 490432, 561216, 567062, 689088, 735648, 748288, 850593, 918784, 980864, 1122432, 1134124, 1378176, 1471296, 1701186, 1961728, 2244864, 2268248, 2756352, 2942592, 3402372, 4536496, 5885184, 6804744, 9072992, 13609488, 18145984, 27218976, 36291968, 54437952, 72583936, 108875904, 217751808]

約数ペア:

[(1, 217751808), (2, 108875904), (3, 72583936), (4, 54437952), (6, 36291968), (8, 27218976), (12, 18145984), (16, 13609488), (24, 9072992), (32, 6804744), (37, 5885184), (48, 4536496), (64, 3402372), (74, 2942592), (79, 2756352), (96, 2268248), (97, 2244864), (111, 1961728), (128, 1701186), (148, 1471296), (158, 1378176), (192, 1134124), (194, 1122432), (222, 980864), (237, 918784), (256, 850593), (291, 748288), (296, 735648), (316, 689088), (384, 567062), (388, 561216), (444, 490432), (474, 459392), (582, 374144), (592, 367824), (632, 344544), (768, 283531), (776, 280608), (888, 245216), (948, 229696), (1164, 187072), (1184, 183912), (1264, 172272), (1552, 140304), (1776, 122608), (1896, 114848), (2328, 93536), (2368, 91956), (2528, 86136), (2923, 74496), (3104, 70152), (3552, 61304), (3589, 60672), (3792, 57424), (4656, 46768), (4736, 45978), (5056, 43068), (5846, 37248), (6208, 35076), (7104, 30652), (7178, 30336), (7584, 28712), (7663, 28416), (8769, 24832), (9312, 23384), (9472, 22989), (10112, 21534), (10767, 20224), (11692, 18624), (12416, 17538), (14208, 15326), (14356, 15168)]