858777590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{19469}}^1$

素因数の和:19888

約数の個数: 32

約数和(自身を含む): 1690619040

約数和(自身を除く): 831841450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 401, 802, 2005, 4010, 4411, 8822, 19469, 22055, 38938, 44110, 97345, 194690, 214159, 428318, 1070795, 2141590, 7807069, 15614138, 39035345, 78070690, 85877759, 171755518, 429388795, 858777590]

約数ペア:

[(1, 858777590), (2, 429388795), (5, 171755518), (10, 85877759), (11, 78070690), (22, 39035345), (55, 15614138), (110, 7807069), (401, 2141590), (802, 1070795), (2005, 428318), (4010, 214159), (4411, 194690), (8822, 97345), (19469, 44110), (22055, 38938)]