72172786

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43321}}^1$

素因数の和:43354

約数の個数: 24

約数和(自身を含む): 133345116

約数和(自身を除く): 61172330

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 43321, 86642, 303247, 606494, 736457, 1472914, 2122729, 4245458, 5155199, 10310398, 36086393, 72172786]

約数ペア:

[(1, 72172786), (2, 36086393), (7, 10310398), (14, 5155199), (17, 4245458), (34, 2122729), (49, 1472914), (98, 736457), (119, 606494), (238, 303247), (833, 86642), (1666, 43321)]