128257656

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{314357}}^1$

素因数の和:314383

約数の個数: 32

約数和(自身を含む): 339506640

約数和(自身を除く): 211248984

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 314357, 628714, 943071, 1257428, 1886142, 2514856, 3772284, 5344069, 7544568, 10688138, 16032207, 21376276, 32064414, 42752552, 64128828, 128257656]

約数ペア:

[(1, 128257656), (2, 64128828), (3, 42752552), (4, 32064414), (6, 21376276), (8, 16032207), (12, 10688138), (17, 7544568), (24, 5344069), (34, 3772284), (51, 2514856), (68, 1886142), (102, 1257428), (136, 943071), (204, 628714), (408, 314357)]