81615144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261587}}^1$

素因数の和:261609

約数の個数: 32

約数和(自身を含む): 219733920

約数和(自身を除く): 138118776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261587, 523174, 784761, 1046348, 1569522, 2092696, 3139044, 3400631, 6278088, 6801262, 10201893, 13602524, 20403786, 27205048, 40807572, 81615144]

約数ペア:

[(1, 81615144), (2, 40807572), (3, 27205048), (4, 20403786), (6, 13602524), (8, 10201893), (12, 6801262), (13, 6278088), (24, 3400631), (26, 3139044), (39, 2092696), (52, 1569522), (78, 1046348), (104, 784761), (156, 523174), (312, 261587)]