123011408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{12583}}^1$

素因数の和:12651

約数の個数: 40

約数和(自身を含む): 262149888

約数和(自身を除く): 139138480

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 12583, 25166, 50332, 100664, 163579, 201328, 327158, 591401, 654316, 1182802, 1308632, 2365604, 2617264, 4731208, 7688213, 9462416, 15376426, 30752852, 61505704, 123011408]

約数ペア:

[(1, 123011408), (2, 61505704), (4, 30752852), (8, 15376426), (13, 9462416), (16, 7688213), (26, 4731208), (47, 2617264), (52, 2365604), (94, 1308632), (104, 1182802), (188, 654316), (208, 591401), (376, 327158), (611, 201328), (752, 163579), (1222, 100664), (2444, 50332), (4888, 25166), (9776, 12583)]