1645020002

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{1979}}^1\times {\mathrm{5261}}^1$

素因数の和:7321

約数の個数: 16

約数和(自身を含む): 2500502400

約数和(自身を除く): 855482398

約数列:

[1, 2, 79, 158, 1979, 3958, 5261, 10522, 156341, 312682, 415619, 831238, 10411519, 20823038, 822510001, 1645020002]

約数ペア:

[(1, 1645020002), (2, 822510001), (79, 20823038), (158, 10411519), (1979, 831238), (3958, 415619), (5261, 312682), (10522, 156341)]