81309384

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86869}}^1$

素因数の和:86894

約数の個数: 48

約数和(自身を含む): 237155100

約数和(自身を除く): 155845716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 86869, 173738, 260607, 347476, 521214, 694952, 781821, 1042428, 1129297, 1563642, 2084856, 2258594, 3127284, 3387891, 4517188, 6254568, 6775782, 9034376, 10163673, 13551564, 20327346, 27103128, 40654692, 81309384]

約数ペア:

[(1, 81309384), (2, 40654692), (3, 27103128), (4, 20327346), (6, 13551564), (8, 10163673), (9, 9034376), (12, 6775782), (13, 6254568), (18, 4517188), (24, 3387891), (26, 3127284), (36, 2258594), (39, 2084856), (52, 1563642), (72, 1129297), (78, 1042428), (104, 781821), (117, 694952), (156, 521214), (234, 347476), (312, 260607), (468, 173738), (936, 86869)]