628945772

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{246839}}^1$

素因数の和:246870

約数の個数: 36

約数和(自身を含む): 1378848240

約数和(自身を除く): 749902468

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 246839, 493678, 987356, 1727873, 3208907, 3455746, 6417814, 6911492, 12095111, 12835628, 22462349, 24190222, 44924698, 48380444, 89849396, 157236443, 314472886, 628945772]

約数ペア:

[(1, 628945772), (2, 314472886), (4, 157236443), (7, 89849396), (13, 48380444), (14, 44924698), (26, 24190222), (28, 22462349), (49, 12835628), (52, 12095111), (91, 6911492), (98, 6417814), (182, 3455746), (196, 3208907), (364, 1727873), (637, 987356), (1274, 493678), (2548, 246839)]