30938887

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 8090873

約数列:

[1, 7, 23, 41, 43, 109, 161, 287, 301, 763, 943, 989, 1763, 2507, 4469, 4687, 6601, 6923, 12341, 17549, 31283, 32809, 40549, 102787, 107801, 192167, 283843, 719509, 754607, 1345169, 4419841, 30938887]

約数ペア:

[(1, 30938887), (7, 4419841), (23, 1345169), (41, 754607), (43, 719509), (109, 283843), (161, 192167), (287, 107801), (301, 102787), (763, 40549), (943, 32809), (989, 31283), (1763, 17549), (2507, 12341), (4469, 6923), (4687, 6601)]