281068816

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{80953}}^1$

素因数の和:80999

約数の個数: 40

約数和(自身を含む): 642450944

約数和(自身を除く): 361382128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 80953, 161906, 323812, 566671, 647624, 1133342, 1295248, 2266684, 2509543, 4533368, 5019086, 9066736, 10038172, 17566801, 20076344, 35133602, 40152688, 70267204, 140534408, 281068816]

約数ペア:

[(1, 281068816), (2, 140534408), (4, 70267204), (7, 40152688), (8, 35133602), (14, 20076344), (16, 17566801), (28, 10038172), (31, 9066736), (56, 5019086), (62, 4533368), (112, 2509543), (124, 2266684), (217, 1295248), (248, 1133342), (434, 647624), (496, 566671), (868, 323812), (1736, 161906), (3472, 80953)]