2640638

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1352

約数の個数: 32

約数和(自身を含む): 5322240

約数和(自身を除く): 2681602

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 1319, 2002, 2638, 9233, 14509, 17147, 18466, 29018, 34294, 101563, 120029, 188617, 203126, 240058, 377234, 1320319, 2640638]

約数ペア:

[(1, 2640638), (2, 1320319), (7, 377234), (11, 240058), (13, 203126), (14, 188617), (22, 120029), (26, 101563), (77, 34294), (91, 29018), (143, 18466), (154, 17147), (182, 14509), (286, 9233), (1001, 2638), (1319, 2002)]