81531088

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{599}}^1$

素因数の和:835

約数の個数: 40

約数和(自身を含む): 162489600

約数和(自身を除く): 80958512

約数列:

[1, 2, 4, 8, 16, 47, 94, 181, 188, 362, 376, 599, 724, 752, 1198, 1448, 2396, 2896, 4792, 8507, 9584, 17014, 28153, 34028, 56306, 68056, 108419, 112612, 136112, 216838, 225224, 433676, 450448, 867352, 1734704, 5095693, 10191386, 20382772, 40765544, 81531088]

約数ペア:

[(1, 81531088), (2, 40765544), (4, 20382772), (8, 10191386), (16, 5095693), (47, 1734704), (94, 867352), (181, 450448), (188, 433676), (362, 225224), (376, 216838), (599, 136112), (724, 112612), (752, 108419), (1198, 68056), (1448, 56306), (2396, 34028), (2896, 28153), (4792, 17014), (8507, 9584)]