131309684

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 270362400

約数和(自身を除く): 139052716

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 109, 121, 131, 209, 218, 242, 262, 418, 436, 484, 524, 836, 1199, 1441, 2071, 2299, 2398, 2489, 2882, 4142, 4598, 4796, 4978, 5764, 8284, 9196, 9956, 13189, 14279, 15851, 22781, 26378, 27379, 28558, 31702, 45562, 52756, 54758, 57116, 63404, 91124, 109516, 157069, 250591, 271301, 301169, 314138, 501182, 542602, 602338, 628276, 1002364, 1085204, 1204676, 1727759, 2984311, 3455518, 5968622, 6911036, 11937244, 32827421, 65654842, 131309684]

約数ペア:

[(1, 131309684), (2, 65654842), (4, 32827421), (11, 11937244), (19, 6911036), (22, 5968622), (38, 3455518), (44, 2984311), (76, 1727759), (109, 1204676), (121, 1085204), (131, 1002364), (209, 628276), (218, 602338), (242, 542602), (262, 501182), (418, 314138), (436, 301169), (484, 271301), (524, 250591), (836, 157069), (1199, 109516), (1441, 91124), (2071, 63404), (2299, 57116), (2398, 54758), (2489, 52756), (2882, 45562), (4142, 31702), (4598, 28558), (4796, 27379), (4978, 26378), (5764, 22781), (8284, 15851), (9196, 14279), (9956, 13189)]