81703742

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1\times {\mathrm{709}}^1$

素因数の和:1235

約数の個数: 16

約数和(自身を含む): 123846720

約数和(自身を除く): 42142978

約数列:

[1, 2, 157, 314, 367, 709, 734, 1418, 57619, 111313, 115238, 222626, 260203, 520406, 40851871, 81703742]

約数ペア:

[(1, 81703742), (2, 40851871), (157, 520406), (314, 260203), (367, 222626), (709, 115238), (734, 111313), (1418, 57619)]