1388931232

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{3251}}^1$

素因数の和:3366

約数の個数: 72

約数和(自身を含む): 2999384640

約数和(自身を除く): 1610453408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 169, 208, 316, 338, 416, 632, 676, 1027, 1264, 1352, 2054, 2528, 2704, 3251, 4108, 5408, 6502, 8216, 13004, 13351, 16432, 26008, 26702, 32864, 42263, 52016, 53404, 84526, 104032, 106808, 169052, 213616, 256829, 338104, 427232, 513658, 549419, 676208, 1027316, 1098838, 1352416, 2054632, 2197676, 3338777, 4109264, 4395352, 6677554, 8218528, 8790704, 13355108, 17581408, 26710216, 43404101, 53420432, 86808202, 106840864, 173616404, 347232808, 694465616, 1388931232]

約数ペア:

[(1, 1388931232), (2, 694465616), (4, 347232808), (8, 173616404), (13, 106840864), (16, 86808202), (26, 53420432), (32, 43404101), (52, 26710216), (79, 17581408), (104, 13355108), (158, 8790704), (169, 8218528), (208, 6677554), (316, 4395352), (338, 4109264), (416, 3338777), (632, 2197676), (676, 2054632), (1027, 1352416), (1264, 1098838), (1352, 1027316), (2054, 676208), (2528, 549419), (2704, 513658), (3251, 427232), (4108, 338104), (5408, 256829), (6502, 213616), (8216, 169052), (13004, 106808), (13351, 104032), (16432, 84526), (26008, 53404), (26702, 52016), (32864, 42263)]