215525544

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{690787}}^1$

素因数の和:690809

約数の個数: 32

約数和(自身を含む): 580261920

約数和(自身を除く): 364736376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 690787, 1381574, 2072361, 2763148, 4144722, 5526296, 8289444, 8980231, 16578888, 17960462, 26940693, 35920924, 53881386, 71841848, 107762772, 215525544]

約数ペア:

[(1, 215525544), (2, 107762772), (3, 71841848), (4, 53881386), (6, 35920924), (8, 26940693), (12, 17960462), (13, 16578888), (24, 8980231), (26, 8289444), (39, 5526296), (52, 4144722), (78, 2763148), (104, 2072361), (156, 1381574), (312, 690787)]