66521988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{463}}^1$

素因数の和:793

約数の個数: 72

約数和(自身を含む): 182069888

約数和(自身を除く): 115547900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 307, 463, 468, 614, 921, 926, 1228, 1389, 1842, 1852, 2763, 2778, 3684, 3991, 4167, 5526, 5556, 6019, 7982, 8334, 11052, 11973, 12038, 15964, 16668, 18057, 23946, 24076, 35919, 36114, 47892, 54171, 71838, 72228, 108342, 142141, 143676, 216684, 284282, 426423, 568564, 852846, 1279269, 1705692, 1847833, 2558538, 3695666, 5117076, 5543499, 7391332, 11086998, 16630497, 22173996, 33260994, 66521988]

約数ペア:

[(1, 66521988), (2, 33260994), (3, 22173996), (4, 16630497), (6, 11086998), (9, 7391332), (12, 5543499), (13, 5117076), (18, 3695666), (26, 2558538), (36, 1847833), (39, 1705692), (52, 1279269), (78, 852846), (117, 568564), (156, 426423), (234, 284282), (307, 216684), (463, 143676), (468, 142141), (614, 108342), (921, 72228), (926, 71838), (1228, 54171), (1389, 47892), (1842, 36114), (1852, 35919), (2763, 24076), (2778, 23946), (3684, 18057), (3991, 16668), (4167, 15964), (5526, 12038), (5556, 11973), (6019, 11052), (7982, 8334)]