257044242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6449}}^1$

素因数の和:6547

約数の個数: 64

約数和(自身を含む): 641491200

約数和(自身を除く): 384446958

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 91, 146, 182, 219, 273, 438, 511, 546, 949, 1022, 1533, 1898, 2847, 3066, 5694, 6449, 6643, 12898, 13286, 19347, 19929, 38694, 39858, 45143, 83837, 90286, 135429, 167674, 251511, 270858, 470777, 503022, 586859, 941554, 1173718, 1412331, 1760577, 2824662, 3295439, 3521154, 6120101, 6590878, 9886317, 12240202, 18360303, 19772634, 36720606, 42840707, 85681414, 128522121, 257044242]

約数ペア:

[(1, 257044242), (2, 128522121), (3, 85681414), (6, 42840707), (7, 36720606), (13, 19772634), (14, 18360303), (21, 12240202), (26, 9886317), (39, 6590878), (42, 6120101), (73, 3521154), (78, 3295439), (91, 2824662), (146, 1760577), (182, 1412331), (219, 1173718), (273, 941554), (438, 586859), (511, 503022), (546, 470777), (949, 270858), (1022, 251511), (1533, 167674), (1898, 135429), (2847, 90286), (3066, 83837), (5694, 45143), (6449, 39858), (6643, 38694), (12898, 19929), (13286, 19347)]