128976678

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{77047}}^1$

素因数の和:77089

約数の個数: 32

約数和(自身を含む): 295864320

約数和(自身を除く): 166887642

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 77047, 154094, 231141, 462282, 693423, 1386846, 2080269, 2388457, 4160538, 4776914, 7165371, 14330742, 21496113, 42992226, 64488339, 128976678]

約数ペア:

[(1, 128976678), (2, 64488339), (3, 42992226), (6, 21496113), (9, 14330742), (18, 7165371), (27, 4776914), (31, 4160538), (54, 2388457), (62, 2080269), (93, 1386846), (186, 693423), (279, 462282), (558, 231141), (837, 154094), (1674, 77047)]