128479066

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 204221952

約数和(自身を除く): 75742886

約数列:

[1, 2, 31, 62, 67, 134, 157, 197, 314, 394, 2077, 4154, 4867, 6107, 9734, 10519, 12214, 13199, 21038, 26398, 30929, 61858, 326089, 409169, 652178, 818338, 958799, 1917598, 2072243, 4144486, 64239533, 128479066]

約数ペア:

[(1, 128479066), (2, 64239533), (31, 4144486), (62, 2072243), (67, 1917598), (134, 958799), (157, 818338), (197, 652178), (314, 409169), (394, 326089), (2077, 61858), (4154, 30929), (4867, 26398), (6107, 21038), (9734, 13199), (10519, 12214)]