38721995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 14500405

約数列:

[1, 5, 13, 23, 59, 65, 115, 295, 299, 439, 767, 1357, 1495, 2195, 3835, 5707, 6785, 10097, 17641, 25901, 28535, 50485, 88205, 129505, 131261, 336713, 595723, 656305, 1683565, 2978615, 7744399, 38721995]

約数ペア:

[(1, 38721995), (5, 7744399), (13, 2978615), (23, 1683565), (59, 656305), (65, 595723), (115, 336713), (295, 131261), (299, 129505), (439, 88205), (767, 50485), (1357, 28535), (1495, 25901), (2195, 17641), (3835, 10097), (5707, 6785)]