8891110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 18247680

約数和(自身を除く): 9356570

約数列:

[1, 2, 5, 10, 23, 29, 31, 43, 46, 58, 62, 86, 115, 145, 155, 215, 230, 290, 310, 430, 667, 713, 899, 989, 1247, 1333, 1334, 1426, 1798, 1978, 2494, 2666, 3335, 3565, 4495, 4945, 6235, 6665, 6670, 7130, 8990, 9890, 12470, 13330, 20677, 28681, 30659, 38657, 41354, 57362, 61318, 77314, 103385, 143405, 153295, 193285, 206770, 286810, 306590, 386570, 889111, 1778222, 4445555, 8891110]

約数ペア:

[(1, 8891110), (2, 4445555), (5, 1778222), (10, 889111), (23, 386570), (29, 306590), (31, 286810), (43, 206770), (46, 193285), (58, 153295), (62, 143405), (86, 103385), (115, 77314), (145, 61318), (155, 57362), (215, 41354), (230, 38657), (290, 30659), (310, 28681), (430, 20677), (667, 13330), (713, 12470), (899, 9890), (989, 8990), (1247, 7130), (1333, 6670), (1334, 6665), (1426, 6235), (1798, 4945), (1978, 4495), (2494, 3565), (2666, 3335)]