28484170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19919}}^1$

素因数の和:19950

約数の個数: 32

約数和(自身を含む): 60238080

約数和(自身を除く): 31753910

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19919, 39838, 99595, 199190, 219109, 258947, 438218, 517894, 1095545, 1294735, 2191090, 2589470, 2848417, 5696834, 14242085, 28484170]

約数ペア:

[(1, 28484170), (2, 14242085), (5, 5696834), (10, 2848417), (11, 2589470), (13, 2191090), (22, 1294735), (26, 1095545), (55, 517894), (65, 438218), (110, 258947), (130, 219109), (143, 199190), (286, 99595), (715, 39838), (1430, 19919)]