405908864

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1117}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 862112160

約数和(自身を除く): 456203296

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 167, 272, 334, 544, 668, 1088, 1117, 1336, 2176, 2234, 2672, 2839, 4468, 5344, 5678, 8936, 10688, 11356, 17872, 18989, 21376, 22712, 35744, 37978, 45424, 71488, 75956, 90848, 142976, 151912, 181696, 186539, 303824, 363392, 373078, 607648, 746156, 1215296, 1492312, 2430592, 2984624, 3171163, 5969248, 6342326, 11938496, 12684652, 23876992, 25369304, 50738608, 101477216, 202954432, 405908864]

約数ペア:

[(1, 405908864), (2, 202954432), (4, 101477216), (8, 50738608), (16, 25369304), (17, 23876992), (32, 12684652), (34, 11938496), (64, 6342326), (68, 5969248), (128, 3171163), (136, 2984624), (167, 2430592), (272, 1492312), (334, 1215296), (544, 746156), (668, 607648), (1088, 373078), (1117, 363392), (1336, 303824), (2176, 186539), (2234, 181696), (2672, 151912), (2839, 142976), (4468, 90848), (5344, 75956), (5678, 71488), (8936, 45424), (10688, 37978), (11356, 35744), (17872, 22712), (18989, 21376)]