81640174

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 161280000

約数和(自身を除く): 79639826

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 154, 217, 341, 343, 349, 434, 539, 682, 686, 698, 1078, 1519, 2387, 2443, 3038, 3773, 3839, 4774, 4886, 7546, 7678, 10633, 10819, 16709, 17101, 21266, 21638, 26873, 33418, 34202, 53746, 75733, 116963, 119009, 119707, 151466, 188111, 233926, 238018, 239414, 376222, 530131, 833063, 1060262, 1316777, 1666126, 2633554, 3710917, 5831441, 7421834, 11662882, 40820087, 81640174]

約数ペア:

[(1, 81640174), (2, 40820087), (7, 11662882), (11, 7421834), (14, 5831441), (22, 3710917), (31, 2633554), (49, 1666126), (62, 1316777), (77, 1060262), (98, 833063), (154, 530131), (217, 376222), (341, 239414), (343, 238018), (349, 233926), (434, 188111), (539, 151466), (682, 119707), (686, 119009), (698, 116963), (1078, 75733), (1519, 53746), (2387, 34202), (2443, 33418), (3038, 26873), (3773, 21638), (3839, 21266), (4774, 17101), (4886, 16709), (7546, 10819), (7678, 10633)]