81556944

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{242729}}^1$

素因数の和:242747

約数の個数: 40

約数和(自身を含む): 240788160

約数和(自身を除く): 159231216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 242729, 485458, 728187, 970916, 1456374, 1699103, 1941832, 2912748, 3398206, 3883664, 5097309, 5825496, 6796412, 10194618, 11650992, 13592824, 20389236, 27185648, 40778472, 81556944]

約数ペア:

[(1, 81556944), (2, 40778472), (3, 27185648), (4, 20389236), (6, 13592824), (7, 11650992), (8, 10194618), (12, 6796412), (14, 5825496), (16, 5097309), (21, 3883664), (24, 3398206), (28, 2912748), (42, 1941832), (48, 1699103), (56, 1456374), (84, 970916), (112, 728187), (168, 485458), (336, 242729)]