81366792

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260791}}^1$

素因数の和:260813

約数の個数: 32

約数和(自身を含む): 219065280

約数和(自身を除く): 137698488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260791, 521582, 782373, 1043164, 1564746, 2086328, 3129492, 3390283, 6258984, 6780566, 10170849, 13561132, 20341698, 27122264, 40683396, 81366792]

約数ペア:

[(1, 81366792), (2, 40683396), (3, 27122264), (4, 20341698), (6, 13561132), (8, 10170849), (12, 6780566), (13, 6258984), (24, 3390283), (26, 3129492), (39, 2086328), (52, 1564746), (78, 1043164), (104, 782373), (156, 521582), (312, 260791)]