551668130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{10909}}^1$

素因数の和:11318

約数の個数: 32

約数和(自身を含む): 1072234800

約数和(自身を除く): 520566670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1945, 3890, 5057, 10114, 10909, 21818, 25285, 50570, 54545, 109090, 141817, 283634, 709085, 1418170, 4243601, 8487202, 21218005, 42436010, 55166813, 110333626, 275834065, 551668130]

約数ペア:

[(1, 551668130), (2, 275834065), (5, 110333626), (10, 55166813), (13, 42436010), (26, 21218005), (65, 8487202), (130, 4243601), (389, 1418170), (778, 709085), (1945, 283634), (3890, 141817), (5057, 109090), (10114, 54545), (10909, 50570), (21818, 25285)]