257244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 691488

約数和(自身を除く): 434244

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 97, 102, 156, 194, 204, 221, 291, 388, 442, 582, 663, 884, 1164, 1261, 1326, 1649, 2522, 2652, 3298, 3783, 4947, 5044, 6596, 7566, 9894, 15132, 19788, 21437, 42874, 64311, 85748, 128622, 257244]

約数ペア:

[(1, 257244), (2, 128622), (3, 85748), (4, 64311), (6, 42874), (12, 21437), (13, 19788), (17, 15132), (26, 9894), (34, 7566), (39, 6596), (51, 5044), (52, 4947), (68, 3783), (78, 3298), (97, 2652), (102, 2522), (156, 1649), (194, 1326), (204, 1261), (221, 1164), (291, 884), (388, 663), (442, 582)]