85619830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2164

約数の個数: 32

約数和(自身を含む): 160312320

約数和(自身を除く): 74692490

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 1987, 3974, 4309, 8618, 9935, 19870, 21545, 43090, 61597, 123194, 276193, 307985, 552386, 615970, 1380965, 2761930, 8561983, 17123966, 42809915, 85619830]

約数ペア:

[(1, 85619830), (2, 42809915), (5, 17123966), (10, 8561983), (31, 2761930), (62, 1380965), (139, 615970), (155, 552386), (278, 307985), (310, 276193), (695, 123194), (1390, 61597), (1987, 43090), (3974, 21545), (4309, 19870), (8618, 9935)]