39978898

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1\times {\mathrm{631}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 60975360

約数和(自身を除く): 20996462

約数列:

[1, 2, 79, 158, 401, 631, 802, 1262, 31679, 49849, 63358, 99698, 253031, 506062, 19989449, 39978898]

約数ペア:

[(1, 39978898), (2, 19989449), (79, 506062), (158, 253031), (401, 99698), (631, 63358), (802, 49849), (1262, 31679)]