81508364

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{2791}}^1$

素因数の和:2958

約数の個数: 36

約数和(自身を含む): 167101200

約数和(自身を除く): 85592836

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 596, 1043, 2086, 2791, 4172, 5582, 7301, 11164, 14602, 19537, 29204, 39074, 78148, 136759, 273518, 415859, 547036, 831718, 1663436, 2911013, 5822026, 11644052, 20377091, 40754182, 81508364]

約数ペア:

[(1, 81508364), (2, 40754182), (4, 20377091), (7, 11644052), (14, 5822026), (28, 2911013), (49, 1663436), (98, 831718), (149, 547036), (196, 415859), (298, 273518), (596, 136759), (1043, 78148), (2086, 39074), (2791, 29204), (4172, 19537), (5582, 14602), (7301, 11164)]