866177552

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{20639}}^1$

素因数の和:20751

約数の個数: 40

約数和(自身を含む): 1745483520

約数和(自身を除く): 879305968

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 2623, 5246, 10492, 20639, 20984, 41278, 41968, 82556, 165112, 330224, 887477, 1258979, 1774954, 2517958, 3549908, 5035916, 7099816, 10071832, 14199632, 20143664, 54136097, 108272194, 216544388, 433088776, 866177552]

約数ペア:

[(1, 866177552), (2, 433088776), (4, 216544388), (8, 108272194), (16, 54136097), (43, 20143664), (61, 14199632), (86, 10071832), (122, 7099816), (172, 5035916), (244, 3549908), (344, 2517958), (488, 1774954), (688, 1258979), (976, 887477), (2623, 330224), (5246, 165112), (10492, 82556), (20639, 41968), (20984, 41278)]