12865970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 26246592

約数和(自身を除く): 13380622

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 331, 338, 598, 662, 845, 1495, 1655, 1690, 2990, 3310, 3887, 4303, 7613, 7774, 8606, 15226, 19435, 21515, 38065, 38870, 43030, 55939, 76130, 98969, 111878, 197938, 279695, 494845, 559390, 989690, 1286597, 2573194, 6432985, 12865970]

約数ペア:

[(1, 12865970), (2, 6432985), (5, 2573194), (10, 1286597), (13, 989690), (23, 559390), (26, 494845), (46, 279695), (65, 197938), (115, 111878), (130, 98969), (169, 76130), (230, 55939), (299, 43030), (331, 38870), (338, 38065), (598, 21515), (662, 19435), (845, 15226), (1495, 8606), (1655, 7774), (1690, 7613), (2990, 4303), (3310, 3887)]