8728016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:611

約数の個数: 40

約数和(自身を含む): 18668448

約数和(自身を除く): 9940432

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 491, 808, 982, 1111, 1616, 1964, 2222, 3928, 4444, 5401, 7856, 8888, 10802, 17776, 21604, 43208, 49591, 86416, 99182, 198364, 396728, 545501, 793456, 1091002, 2182004, 4364008, 8728016]

約数ペア:

[(1, 8728016), (2, 4364008), (4, 2182004), (8, 1091002), (11, 793456), (16, 545501), (22, 396728), (44, 198364), (88, 99182), (101, 86416), (176, 49591), (202, 43208), (404, 21604), (491, 17776), (808, 10802), (982, 8888), (1111, 7856), (1616, 5401), (1964, 4444), (2222, 3928)]