257193608

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{148153}}^1$

素因数の和:148197

約数の個数: 32

約数和(自身を含む): 568911360

約数和(自身を除く): 311717752

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 148153, 296306, 592612, 1037071, 1185224, 2074142, 4148284, 4592743, 8296568, 9185486, 18370972, 32149201, 36741944, 64298402, 128596804, 257193608]

約数ペア:

[(1, 257193608), (2, 128596804), (4, 64298402), (7, 36741944), (8, 32149201), (14, 18370972), (28, 9185486), (31, 8296568), (56, 4592743), (62, 4148284), (124, 2074142), (217, 1185224), (248, 1037071), (434, 592612), (868, 296306), (1736, 148153)]