31100905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 16177175

約数列:

[1, 5, 11, 17, 29, 31, 37, 55, 85, 145, 155, 185, 187, 319, 341, 407, 493, 527, 629, 899, 935, 1073, 1147, 1595, 1705, 2035, 2465, 2635, 3145, 4495, 5365, 5423, 5735, 5797, 6919, 9889, 11803, 12617, 15283, 18241, 19499, 27115, 28985, 33263, 34595, 49445, 59015, 63085, 76415, 91205, 97495, 166315, 168113, 200651, 214489, 365893, 565471, 840565, 1003255, 1072445, 1829465, 2827355, 6220181, 31100905]

約数ペア:

[(1, 31100905), (5, 6220181), (11, 2827355), (17, 1829465), (29, 1072445), (31, 1003255), (37, 840565), (55, 565471), (85, 365893), (145, 214489), (155, 200651), (185, 168113), (187, 166315), (319, 97495), (341, 91205), (407, 76415), (493, 63085), (527, 59015), (629, 49445), (899, 34595), (935, 33263), (1073, 28985), (1147, 27115), (1595, 19499), (1705, 18241), (2035, 15283), (2465, 12617), (2635, 11803), (3145, 9889), (4495, 6919), (5365, 5797), (5423, 5735)]