128519948

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{2141}}^1$

素因数の和:2537

約数の個数: 24

約数和(自身を含む): 230907600

約数和(自身を除く): 102387652

約数列:

[1, 2, 4, 43, 86, 172, 349, 698, 1396, 2141, 4282, 8564, 15007, 30014, 60028, 92063, 184126, 368252, 747209, 1494418, 2988836, 32129987, 64259974, 128519948]

約数ペア:

[(1, 128519948), (2, 64259974), (4, 32129987), (43, 2988836), (86, 1494418), (172, 747209), (349, 368252), (698, 184126), (1396, 92063), (2141, 60028), (4282, 30014), (8564, 15007)]