219413896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20483}}^1$

素因数の和:20605

約数の個数: 32

約数和(自身を含む): 447370560

約数和(自身を除く): 227956664

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 10712, 20483, 40966, 81932, 163864, 266279, 532558, 1065116, 2109749, 2130232, 4219498, 8438996, 16877992, 27426737, 54853474, 109706948, 219413896]

約数ペア:

[(1, 219413896), (2, 109706948), (4, 54853474), (8, 27426737), (13, 16877992), (26, 8438996), (52, 4219498), (103, 2130232), (104, 2109749), (206, 1065116), (412, 532558), (824, 266279), (1339, 163864), (2678, 81932), (5356, 40966), (10712, 20483)]