289886212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12893}}^1$

素因数の和:12988

約数の個数: 48

約数和(自身を含む): 641192832

約数和(自身を除く): 351306620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 146, 154, 292, 308, 511, 803, 1022, 1606, 2044, 3212, 5621, 11242, 12893, 22484, 25786, 51572, 90251, 141823, 180502, 283646, 361004, 567292, 941189, 992761, 1882378, 1985522, 3764756, 3971044, 6588323, 10353079, 13176646, 20706158, 26353292, 41412316, 72471553, 144943106, 289886212]

約数ペア:

[(1, 289886212), (2, 144943106), (4, 72471553), (7, 41412316), (11, 26353292), (14, 20706158), (22, 13176646), (28, 10353079), (44, 6588323), (73, 3971044), (77, 3764756), (146, 1985522), (154, 1882378), (292, 992761), (308, 941189), (511, 567292), (803, 361004), (1022, 283646), (1606, 180502), (2044, 141823), (3212, 90251), (5621, 51572), (11242, 25786), (12893, 22484)]