1780891088

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{40519}}^1$

素因数の和:40635

約数の個数: 40

約数和(自身を含む): 3587478720

約数和(自身を除く): 1806587632

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 164, 268, 328, 536, 656, 1072, 2747, 5494, 10988, 21976, 40519, 43952, 81038, 162076, 324152, 648304, 1661279, 2714773, 3322558, 5429546, 6645116, 10859092, 13290232, 21718184, 26580464, 43436368, 111305693, 222611386, 445222772, 890445544, 1780891088]

約数ペア:

[(1, 1780891088), (2, 890445544), (4, 445222772), (8, 222611386), (16, 111305693), (41, 43436368), (67, 26580464), (82, 21718184), (134, 13290232), (164, 10859092), (268, 6645116), (328, 5429546), (536, 3322558), (656, 2714773), (1072, 1661279), (2747, 648304), (5494, 324152), (10988, 162076), (21976, 81038), (40519, 43952)]