399413664

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{106681}}^1$

素因数の和:106710

約数の個数: 72

約数和(自身を含む): 1223215812

約数和(自身を除く): 823802148

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 106681, 213362, 320043, 426724, 640086, 853448, 960129, 1280172, 1386853, 1706896, 1920258, 2560344, 2773706, 3413792, 3840516, 4160559, 5120688, 5547412, 7681032, 8321118, 10241376, 11094824, 12481677, 15362064, 16642236, 22189648, 24963354, 30724128, 33284472, 44379296, 49926708, 66568944, 99853416, 133137888, 199706832, 399413664]

約数ペア:

[(1, 399413664), (2, 199706832), (3, 133137888), (4, 99853416), (6, 66568944), (8, 49926708), (9, 44379296), (12, 33284472), (13, 30724128), (16, 24963354), (18, 22189648), (24, 16642236), (26, 15362064), (32, 12481677), (36, 11094824), (39, 10241376), (48, 8321118), (52, 7681032), (72, 5547412), (78, 5120688), (96, 4160559), (104, 3840516), (117, 3413792), (144, 2773706), (156, 2560344), (208, 1920258), (234, 1706896), (288, 1386853), (312, 1280172), (416, 960129), (468, 853448), (624, 640086), (936, 426724), (1248, 320043), (1872, 213362), (3744, 106681)]