81148886

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:829

約数の個数: 64

約数和(自身を含む): 163000320

約数和(自身を除く): 81851434

約数列:

[1, 2, 7, 13, 14, 19, 26, 31, 38, 62, 91, 133, 182, 217, 247, 266, 403, 434, 494, 589, 757, 806, 1178, 1514, 1729, 2821, 3458, 4123, 5299, 5642, 7657, 8246, 9841, 10598, 14383, 15314, 19682, 23467, 28766, 46934, 53599, 68887, 100681, 107198, 137774, 164269, 186979, 201362, 305071, 328538, 373958, 445873, 610142, 891746, 1308853, 2135497, 2617706, 3121111, 4270994, 5796349, 6242222, 11592698, 40574443, 81148886]

約数ペア:

[(1, 81148886), (2, 40574443), (7, 11592698), (13, 6242222), (14, 5796349), (19, 4270994), (26, 3121111), (31, 2617706), (38, 2135497), (62, 1308853), (91, 891746), (133, 610142), (182, 445873), (217, 373958), (247, 328538), (266, 305071), (403, 201362), (434, 186979), (494, 164269), (589, 137774), (757, 107198), (806, 100681), (1178, 68887), (1514, 53599), (1729, 46934), (2821, 28766), (3458, 23467), (4123, 19682), (5299, 15314), (5642, 14383), (7657, 10598), (8246, 9841)]