85898210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1130

約数の個数: 32

約数和(自身を含む): 160233984

約数和(自身を除く): 74335774

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 401, 691, 802, 1382, 2005, 3455, 4010, 6910, 12431, 21421, 24862, 42842, 62155, 107105, 124310, 214210, 277091, 554182, 1385455, 2770910, 8589821, 17179642, 42949105, 85898210]

約数ペア:

[(1, 85898210), (2, 42949105), (5, 17179642), (10, 8589821), (31, 2770910), (62, 1385455), (155, 554182), (310, 277091), (401, 214210), (691, 124310), (802, 107105), (1382, 62155), (2005, 42842), (3455, 24862), (4010, 21421), (6910, 12431)]