257287712

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1879}}^1$

素因数の和:2289

約数の個数: 48

約数和(自身を含む): 554299200

約数和(自身を除く): 297011488

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 389, 778, 1556, 1879, 3112, 3758, 4279, 6224, 7516, 8558, 12448, 15032, 17116, 20669, 30064, 34232, 41338, 60128, 68464, 82676, 136928, 165352, 330704, 661408, 730931, 1461862, 2923724, 5847448, 8040241, 11694896, 16080482, 23389792, 32160964, 64321928, 128643856, 257287712]

約数ペア:

[(1, 257287712), (2, 128643856), (4, 64321928), (8, 32160964), (11, 23389792), (16, 16080482), (22, 11694896), (32, 8040241), (44, 5847448), (88, 2923724), (176, 1461862), (352, 730931), (389, 661408), (778, 330704), (1556, 165352), (1879, 136928), (3112, 82676), (3758, 68464), (4279, 60128), (6224, 41338), (7516, 34232), (8558, 30064), (12448, 20669), (15032, 17116)]