128680132

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{148249}}^1$

素因数の和:148291

約数の個数: 24

約数和(自身を含む): 265664000

約数和(自身を除く): 136983868

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 148249, 296498, 592996, 1037743, 2075486, 4150972, 4595719, 9191438, 18382876, 32170033, 64340066, 128680132]

約数ペア:

[(1, 128680132), (2, 64340066), (4, 32170033), (7, 18382876), (14, 9191438), (28, 4595719), (31, 4150972), (62, 2075486), (124, 1037743), (217, 592996), (434, 296498), (868, 148249)]