66494870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26921}}^1$

素因数の和:26960

約数の個数: 32

約数和(自身を含む): 135686880

約数和(自身を除く): 69192010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 26921, 53842, 134605, 269210, 349973, 511499, 699946, 1022998, 1749865, 2557495, 3499730, 5114990, 6649487, 13298974, 33247435, 66494870]

約数ペア:

[(1, 66494870), (2, 33247435), (5, 13298974), (10, 6649487), (13, 5114990), (19, 3499730), (26, 2557495), (38, 1749865), (65, 1022998), (95, 699946), (130, 511499), (190, 349973), (247, 269210), (494, 134605), (1235, 53842), (2470, 26921)]