81878808

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{937}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 224219520

約数和(自身を除く): 142340712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 331, 662, 937, 993, 1324, 1874, 1986, 2648, 2811, 3641, 3748, 3972, 5622, 7282, 7496, 7944, 10307, 10923, 11244, 14564, 20614, 21846, 22488, 29128, 30921, 41228, 43692, 61842, 82456, 87384, 123684, 247368, 310147, 620294, 930441, 1240588, 1860882, 2481176, 3411617, 3721764, 6823234, 7443528, 10234851, 13646468, 20469702, 27292936, 40939404, 81878808]

約数ペア:

[(1, 81878808), (2, 40939404), (3, 27292936), (4, 20469702), (6, 13646468), (8, 10234851), (11, 7443528), (12, 6823234), (22, 3721764), (24, 3411617), (33, 2481176), (44, 1860882), (66, 1240588), (88, 930441), (132, 620294), (264, 310147), (331, 247368), (662, 123684), (937, 87384), (993, 82456), (1324, 61842), (1874, 43692), (1986, 41228), (2648, 30921), (2811, 29128), (3641, 22488), (3748, 21846), (3972, 20614), (5622, 14564), (7282, 11244), (7496, 10923), (7944, 10307)]