205317654

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{3607}}^1$

素因数の和:3844

約数の個数: 32

約数和(自身を含む): 420837120

約数和(自身を除く): 215519466

約数列:

[1, 2, 3, 6, 53, 106, 159, 179, 318, 358, 537, 1074, 3607, 7214, 9487, 10821, 18974, 21642, 28461, 56922, 191171, 382342, 573513, 645653, 1147026, 1291306, 1936959, 3873918, 34219609, 68439218, 102658827, 205317654]

約数ペア:

[(1, 205317654), (2, 102658827), (3, 68439218), (6, 34219609), (53, 3873918), (106, 1936959), (159, 1291306), (179, 1147026), (318, 645653), (358, 573513), (537, 382342), (1074, 191171), (3607, 56922), (7214, 28461), (9487, 21642), (10821, 18974)]