256218988

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 479533824

約数和(自身を除く): 223314836

約数列:

[1, 2, 4, 23, 46, 67, 92, 134, 197, 211, 268, 394, 422, 788, 844, 1541, 3082, 4531, 4853, 6164, 9062, 9706, 13199, 14137, 18124, 19412, 26398, 28274, 41567, 52796, 56548, 83134, 166268, 303577, 325151, 607154, 650302, 956041, 1214308, 1300604, 1912082, 2784989, 3824164, 5569978, 11139956, 64054747, 128109494, 256218988]

約数ペア:

[(1, 256218988), (2, 128109494), (4, 64054747), (23, 11139956), (46, 5569978), (67, 3824164), (92, 2784989), (134, 1912082), (197, 1300604), (211, 1214308), (268, 956041), (394, 650302), (422, 607154), (788, 325151), (844, 303577), (1541, 166268), (3082, 83134), (4531, 56548), (4853, 52796), (6164, 41567), (9062, 28274), (9706, 26398), (13199, 19412), (14137, 18124)]