67648304

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{248707}}^1$

素因数の和:248732

約数の個数: 20

約数和(自身を含む): 138779064

約数和(自身を除く): 71130760

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 248707, 497414, 994828, 1989656, 3979312, 4228019, 8456038, 16912076, 33824152, 67648304]

約数ペア:

[(1, 67648304), (2, 33824152), (4, 16912076), (8, 8456038), (16, 4228019), (17, 3979312), (34, 1989656), (68, 994828), (136, 497414), (272, 248707)]