1640551816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{180043}}^1$

素因数の和:180133

約数の個数: 32

約数和(自身を含む): 3305607840

約数和(自身を除く): 1665056024

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 4556, 9112, 180043, 360086, 720172, 1440344, 3060731, 6121462, 12062881, 12242924, 24125762, 24485848, 48251524, 96503048, 205068977, 410137954, 820275908, 1640551816]

約数ペア:

[(1, 1640551816), (2, 820275908), (4, 410137954), (8, 205068977), (17, 96503048), (34, 48251524), (67, 24485848), (68, 24125762), (134, 12242924), (136, 12062881), (268, 6121462), (536, 3060731), (1139, 1440344), (2278, 720172), (4556, 360086), (9112, 180043)]