131431132

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1283

約数の個数: 72

約数和(自身を含む): 291589200

約数和(自身を除く): 160158068

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 49, 58, 76, 98, 116, 133, 196, 203, 266, 406, 532, 551, 812, 931, 1102, 1217, 1421, 1862, 2204, 2434, 2842, 3724, 3857, 4868, 5684, 7714, 8519, 15428, 17038, 23123, 26999, 34076, 35293, 46246, 53998, 59633, 70586, 92492, 107996, 119266, 141172, 161861, 238532, 247051, 323722, 494102, 647444, 670567, 988204, 1133027, 1341134, 1729357, 2266054, 2682268, 3458714, 4532108, 4693969, 6917428, 9387938, 18775876, 32857783, 65715566, 131431132]

約数ペア:

[(1, 131431132), (2, 65715566), (4, 32857783), (7, 18775876), (14, 9387938), (19, 6917428), (28, 4693969), (29, 4532108), (38, 3458714), (49, 2682268), (58, 2266054), (76, 1729357), (98, 1341134), (116, 1133027), (133, 988204), (196, 670567), (203, 647444), (266, 494102), (406, 323722), (532, 247051), (551, 238532), (812, 161861), (931, 141172), (1102, 119266), (1217, 107996), (1421, 92492), (1862, 70586), (2204, 59633), (2434, 53998), (2842, 46246), (3724, 35293), (3857, 34076), (4868, 26999), (5684, 23123), (7714, 17038), (8519, 15428)]