81207904

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{15569}}^1$

素因数の和:15742

約数の個数: 24

約数和(自身を含む): 160869240

約数和(自身を除く): 79661336

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 652, 1304, 2608, 5216, 15569, 31138, 62276, 124552, 249104, 498208, 2537747, 5075494, 10150988, 20301976, 40603952, 81207904]

約数ペア:

[(1, 81207904), (2, 40603952), (4, 20301976), (8, 10150988), (16, 5075494), (32, 2537747), (163, 498208), (326, 249104), (652, 124552), (1304, 62276), (2608, 31138), (5216, 15569)]