278318048

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 558731376

約数和(自身を除く): 280413328

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 283, 292, 421, 566, 584, 842, 1132, 1168, 1684, 2264, 2336, 3368, 4528, 6736, 9056, 13472, 20659, 30733, 41318, 61466, 82636, 119143, 122932, 165272, 238286, 245864, 330544, 476572, 491728, 661088, 953144, 983456, 1906288, 3812576, 8697439, 17394878, 34789756, 69579512, 139159024, 278318048]

約数ペア:

[(1, 278318048), (2, 139159024), (4, 69579512), (8, 34789756), (16, 17394878), (32, 8697439), (73, 3812576), (146, 1906288), (283, 983456), (292, 953144), (421, 661088), (566, 491728), (584, 476572), (842, 330544), (1132, 245864), (1168, 238286), (1684, 165272), (2264, 122932), (2336, 119143), (3368, 82636), (4528, 61466), (6736, 41318), (9056, 30733), (13472, 20659)]