81987052

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{154111}}^1$

素因数の和:154141

約数の個数: 24

約数和(自身を含む): 172605440

約数和(自身を除く): 90618388

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 154111, 308222, 616444, 1078777, 2157554, 2928109, 4315108, 5856218, 11712436, 20496763, 40993526, 81987052]

約数ペア:

[(1, 81987052), (2, 40993526), (4, 20496763), (7, 11712436), (14, 5856218), (19, 4315108), (28, 2928109), (38, 2157554), (76, 1078777), (133, 616444), (266, 308222), (532, 154111)]