668887492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1\times {\mathrm{1439}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 1442810880

約数和(自身を除く): 773923388

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 1277, 1439, 2554, 2878, 5108, 5756, 8939, 10073, 16601, 17878, 18707, 20146, 33202, 35756, 37414, 40292, 66404, 74828, 116207, 130949, 232414, 261898, 464828, 523796, 1837603, 3675206, 7350412, 12863221, 23888839, 25726442, 47777678, 51452884, 95555356, 167221873, 334443746, 668887492]

約数ペア:

[(1, 668887492), (2, 334443746), (4, 167221873), (7, 95555356), (13, 51452884), (14, 47777678), (26, 25726442), (28, 23888839), (52, 12863221), (91, 7350412), (182, 3675206), (364, 1837603), (1277, 523796), (1439, 464828), (2554, 261898), (2878, 232414), (5108, 130949), (5756, 116207), (8939, 74828), (10073, 66404), (16601, 40292), (17878, 37414), (18707, 35756), (20146, 33202)]