138538708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 72

約数和(自身を含む): 308287616

約数和(自身を除く): 169748908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 121, 154, 206, 242, 308, 397, 412, 484, 721, 794, 847, 1133, 1442, 1588, 1694, 2266, 2779, 2884, 3388, 4367, 4532, 5558, 7931, 8734, 11116, 12463, 15862, 17468, 24926, 30569, 31724, 40891, 48037, 49852, 61138, 81782, 87241, 96074, 122276, 163564, 174482, 192148, 286237, 336259, 348964, 449801, 572474, 672518, 899602, 1144948, 1345036, 1799204, 3148607, 4947811, 6297214, 9895622, 12594428, 19791244, 34634677, 69269354, 138538708]

約数ペア:

[(1, 138538708), (2, 69269354), (4, 34634677), (7, 19791244), (11, 12594428), (14, 9895622), (22, 6297214), (28, 4947811), (44, 3148607), (77, 1799204), (103, 1345036), (121, 1144948), (154, 899602), (206, 672518), (242, 572474), (308, 449801), (397, 348964), (412, 336259), (484, 286237), (721, 192148), (794, 174482), (847, 163564), (1133, 122276), (1442, 96074), (1588, 87241), (1694, 81782), (2266, 61138), (2779, 49852), (2884, 48037), (3388, 40891), (4367, 31724), (4532, 30569), (5558, 24926), (7931, 17468), (8734, 15862), (11116, 12463)]