31213490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5791}}^1$

素因数の和:5823

約数の個数: 48

約数和(自身を含む): 71311104

約数和(自身を除く): 40097614

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 5791, 11582, 28955, 40537, 57910, 63701, 81074, 127402, 202685, 283759, 318505, 405370, 445907, 567518, 637010, 891814, 1418795, 2229535, 2837590, 3121349, 4459070, 6242698, 15606745, 31213490]

約数ペア:

[(1, 31213490), (2, 15606745), (5, 6242698), (7, 4459070), (10, 3121349), (11, 2837590), (14, 2229535), (22, 1418795), (35, 891814), (49, 637010), (55, 567518), (70, 445907), (77, 405370), (98, 318505), (110, 283759), (154, 202685), (245, 127402), (385, 81074), (490, 63701), (539, 57910), (770, 40537), (1078, 28955), (2695, 11582), (5390, 5791)]