12221872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:965

約数の個数: 40

約数和(自身を含む): 25911536

約数和(自身を除く): 13689664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 877, 1072, 1742, 1754, 3484, 3508, 6968, 7016, 11401, 13936, 14032, 22802, 45604, 58759, 91208, 117518, 182416, 235036, 470072, 763867, 940144, 1527734, 3055468, 6110936, 12221872]

約数ペア:

[(1, 12221872), (2, 6110936), (4, 3055468), (8, 1527734), (13, 940144), (16, 763867), (26, 470072), (52, 235036), (67, 182416), (104, 117518), (134, 91208), (208, 58759), (268, 45604), (536, 22802), (871, 14032), (877, 13936), (1072, 11401), (1742, 7016), (1754, 6968), (3484, 3508)]