81601416

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87181}}^1$

素因数の和:87206

約数の個数: 48

約数和(自身を含む): 238006860

約数和(自身を除く): 156405444

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, 87181, 174362, 261543, 348724, 523086, 697448, 784629, 1046172, 1133353, 1569258, 2092344, 2266706, 3138516, 3400059, 4533412, 6277032, 6800118, 9066824, 10200177, 13600236, 20400354, 27200472, 40800708, 81601416]

約数ペア:

[(1, 81601416), (2, 40800708), (3, 27200472), (4, 20400354), (6, 13600236), (8, 10200177), (9, 9066824), (12, 6800118), (13, 6277032), (18, 4533412), (24, 3400059), (26, 3138516), (36, 2266706), (39, 2092344), (52, 1569258), (72, 1133353), (78, 1046172), (104, 784629), (117, 697448), (156, 523086), (234, 348724), (312, 261543), (468, 174362), (936, 87181)]