66680845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 106463232

約数和(自身を除く): 39782387

約数列:

[1, 5, 7, 11, 31, 35, 37, 55, 77, 151, 155, 185, 217, 259, 341, 385, 407, 755, 1057, 1085, 1147, 1295, 1661, 1705, 2035, 2387, 2849, 4681, 5285, 5587, 5735, 8029, 8305, 11627, 11935, 12617, 14245, 23405, 27935, 32767, 39109, 40145, 51491, 58135, 61457, 63085, 88319, 163835, 173197, 195545, 257455, 307285, 360437, 430199, 441595, 865985, 1212379, 1802185, 1905167, 2150995, 6061895, 9525835, 13336169, 66680845]

約数ペア:

[(1, 66680845), (5, 13336169), (7, 9525835), (11, 6061895), (31, 2150995), (35, 1905167), (37, 1802185), (55, 1212379), (77, 865985), (151, 441595), (155, 430199), (185, 360437), (217, 307285), (259, 257455), (341, 195545), (385, 173197), (407, 163835), (755, 88319), (1057, 63085), (1085, 61457), (1147, 58135), (1295, 51491), (1661, 40145), (1705, 39109), (2035, 32767), (2387, 27935), (2849, 23405), (4681, 14245), (5285, 12617), (5587, 11935), (5735, 11627), (8029, 8305)]