685372798

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 1159347168

約数和(自身を除く): 473974370

約数列:

[1, 2, 11, 22, 71, 113, 121, 142, 226, 242, 353, 706, 781, 1243, 1562, 2486, 3883, 7766, 8023, 8591, 13673, 16046, 17182, 25063, 27346, 39889, 42713, 50126, 79778, 85426, 88253, 176506, 275693, 438779, 551386, 877558, 970783, 1941566, 2832119, 3032623, 4826569, 5664238, 6065246, 9653138, 31153309, 62306618, 342686399, 685372798]

約数ペア:

[(1, 685372798), (2, 342686399), (11, 62306618), (22, 31153309), (71, 9653138), (113, 6065246), (121, 5664238), (142, 4826569), (226, 3032623), (242, 2832119), (353, 1941566), (706, 970783), (781, 877558), (1243, 551386), (1562, 438779), (2486, 275693), (3883, 176506), (7766, 88253), (8023, 85426), (8591, 79778), (13673, 50126), (16046, 42713), (17182, 39889), (25063, 27346)]