28641578

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 53089344

約数和(自身を除く): 24447766

約数列:

[1, 2, 7, 14, 23, 46, 49, 97, 98, 131, 161, 194, 262, 322, 679, 917, 1127, 1358, 1834, 2231, 2254, 3013, 4462, 4753, 6026, 6419, 9506, 12707, 12838, 15617, 21091, 25414, 31234, 42182, 88949, 109319, 147637, 177898, 218638, 292261, 295274, 584522, 622643, 1245286, 2045827, 4091654, 14320789, 28641578]

約数ペア:

[(1, 28641578), (2, 14320789), (7, 4091654), (14, 2045827), (23, 1245286), (46, 622643), (49, 584522), (97, 295274), (98, 292261), (131, 218638), (161, 177898), (194, 147637), (262, 109319), (322, 88949), (679, 42182), (917, 31234), (1127, 25414), (1358, 21091), (1834, 15617), (2231, 12838), (2254, 12707), (3013, 9506), (4462, 6419), (4753, 6026)]