12991890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8171}}^1$

素因数の和:8234

約数の個数: 32

約数和(自身を含む): 31772736

約数和(自身を除く): 18780846

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 8171, 16342, 24513, 40855, 49026, 81710, 122565, 245130, 433063, 866126, 1299189, 2165315, 2598378, 4330630, 6495945, 12991890]

約数ペア:

[(1, 12991890), (2, 6495945), (3, 4330630), (5, 2598378), (6, 2165315), (10, 1299189), (15, 866126), (30, 433063), (53, 245130), (106, 122565), (159, 81710), (265, 49026), (318, 40855), (530, 24513), (795, 16342), (1590, 8171)]