642112

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 28

約数和(自身を含む): 1300480

約数和(自身を除く): 658368

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 127, 158, 254, 316, 508, 632, 1016, 1264, 2032, 2528, 4064, 5056, 8128, 10033, 20066, 40132, 80264, 160528, 321056, 642112]

約数ペア:

[(1, 642112), (2, 321056), (4, 160528), (8, 80264), (16, 40132), (32, 20066), (64, 10033), (79, 8128), (127, 5056), (158, 4064), (254, 2528), (316, 2032), (508, 1264), (632, 1016)]