40148906

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 72007680

約数和(自身を除く): 31858774

約数列:

[1, 2, 7, 14, 31, 62, 79, 158, 217, 434, 553, 1106, 1171, 2342, 2449, 4898, 8197, 16394, 17143, 34286, 36301, 72602, 92509, 185018, 254107, 508214, 647563, 1295126, 2867779, 5735558, 20074453, 40148906]

約数ペア:

[(1, 40148906), (2, 20074453), (7, 5735558), (14, 2867779), (31, 1295126), (62, 647563), (79, 508214), (158, 254107), (217, 185018), (434, 92509), (553, 72602), (1106, 36301), (1171, 34286), (2342, 17143), (2449, 16394), (4898, 8197)]