12856730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 24572160

約数和(自身を除く): 11715430

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 431, 785, 862, 1570, 2155, 2983, 4310, 5966, 8189, 14915, 16378, 29830, 40945, 67667, 81890, 135334, 338335, 676670, 1285673, 2571346, 6428365, 12856730]

約数ペア:

[(1, 12856730), (2, 6428365), (5, 2571346), (10, 1285673), (19, 676670), (38, 338335), (95, 135334), (157, 81890), (190, 67667), (314, 40945), (431, 29830), (785, 16378), (862, 14915), (1570, 8189), (2155, 5966), (2983, 4310)]