128739962

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{757}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 215975424

約数和(自身を除く): 87235462

約数列:

[1, 2, 13, 26, 31, 62, 211, 403, 422, 757, 806, 1514, 2743, 5486, 6541, 9841, 13082, 19682, 23467, 46934, 85033, 159727, 170066, 305071, 319454, 610142, 2076451, 4152902, 4951537, 9903074, 64369981, 128739962]

約数ペア:

[(1, 128739962), (2, 64369981), (13, 9903074), (26, 4951537), (31, 4152902), (62, 2076451), (211, 610142), (403, 319454), (422, 305071), (757, 170066), (806, 159727), (1514, 85033), (2743, 46934), (5486, 23467), (6541, 19682), (9841, 13082)]