13718660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 30817584

約数和(自身を除く): 17098924

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 257, 314, 340, 514, 628, 785, 1028, 1285, 1570, 2570, 2669, 3140, 4369, 5140, 5338, 8738, 10676, 13345, 17476, 21845, 26690, 40349, 43690, 53380, 80698, 87380, 161396, 201745, 403490, 685933, 806980, 1371866, 2743732, 3429665, 6859330, 13718660]

約数ペア:

[(1, 13718660), (2, 6859330), (4, 3429665), (5, 2743732), (10, 1371866), (17, 806980), (20, 685933), (34, 403490), (68, 201745), (85, 161396), (157, 87380), (170, 80698), (257, 53380), (314, 43690), (340, 40349), (514, 26690), (628, 21845), (785, 17476), (1028, 13345), (1285, 10676), (1570, 8738), (2570, 5338), (2669, 5140), (3140, 4369)]