16878732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 42679392

約数和(自身を除く): 25800660

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 257, 421, 514, 771, 842, 1028, 1263, 1542, 1684, 2526, 3084, 3341, 5052, 5473, 6682, 10023, 10946, 13364, 16419, 20046, 21892, 32838, 40092, 65676, 108197, 216394, 324591, 432788, 649182, 1298364, 1406561, 2813122, 4219683, 5626244, 8439366, 16878732]

約数ペア:

[(1, 16878732), (2, 8439366), (3, 5626244), (4, 4219683), (6, 2813122), (12, 1406561), (13, 1298364), (26, 649182), (39, 432788), (52, 324591), (78, 216394), (156, 108197), (257, 65676), (421, 40092), (514, 32838), (771, 21892), (842, 20046), (1028, 16419), (1263, 13364), (1542, 10946), (1684, 10023), (2526, 6682), (3084, 5473), (3341, 5052)]