3967990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 7783776

約数和(自身を除く): 3815786

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 233, 262, 466, 655, 1165, 1310, 1703, 2330, 3029, 3406, 6058, 8515, 15145, 17030, 30290, 30523, 61046, 152615, 305230, 396799, 793598, 1983995, 3967990]

約数ペア:

[(1, 3967990), (2, 1983995), (5, 793598), (10, 396799), (13, 305230), (26, 152615), (65, 61046), (130, 30523), (131, 30290), (233, 17030), (262, 15145), (466, 8515), (655, 6058), (1165, 3406), (1310, 3029), (1703, 2330)]