31423756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 68302080

約数和(自身を除く): 36878324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 524, 659, 917, 1318, 1703, 1834, 2636, 3406, 3668, 4613, 6812, 8567, 9226, 11921, 17134, 18452, 23842, 34268, 47684, 59969, 86329, 119938, 172658, 239876, 345316, 604303, 1122277, 1208606, 2244554, 2417212, 4489108, 7855939, 15711878, 31423756]

約数ペア:

[(1, 31423756), (2, 15711878), (4, 7855939), (7, 4489108), (13, 2417212), (14, 2244554), (26, 1208606), (28, 1122277), (52, 604303), (91, 345316), (131, 239876), (182, 172658), (262, 119938), (364, 86329), (524, 59969), (659, 47684), (917, 34268), (1318, 23842), (1703, 18452), (1834, 17134), (2636, 11921), (3406, 9226), (3668, 8567), (4613, 6812)]