138403964

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{2729}}^1$

素因数の和:3173

約数の個数: 24

約数和(自身を含む): 250723200

約数和(自身を除く): 112319236

約数列:

[1, 2, 4, 31, 62, 124, 409, 818, 1636, 2729, 5458, 10916, 12679, 25358, 50716, 84599, 169198, 338396, 1116161, 2232322, 4464644, 34600991, 69201982, 138403964]

約数ペア:

[(1, 138403964), (2, 69201982), (4, 34600991), (31, 4464644), (62, 2232322), (124, 1116161), (409, 338396), (818, 169198), (1636, 84599), (2729, 50716), (5458, 25358), (10916, 12679)]