1561616

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:279

約数の個数: 40

約数和(自身を含む): 3523584

約数和(自身を除く): 1961968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 191, 292, 382, 511, 584, 764, 1022, 1168, 1337, 1528, 2044, 2674, 3056, 4088, 5348, 8176, 10696, 13943, 21392, 27886, 55772, 97601, 111544, 195202, 223088, 390404, 780808, 1561616]

約数ペア:

[(1, 1561616), (2, 780808), (4, 390404), (7, 223088), (8, 195202), (14, 111544), (16, 97601), (28, 55772), (56, 27886), (73, 21392), (112, 13943), (146, 10696), (191, 8176), (292, 5348), (382, 4088), (511, 3056), (584, 2674), (764, 2044), (1022, 1528), (1168, 1337)]