2145486745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{550831}}^1$

素因数の和:550896

約数の個数: 16

約数和(自身を含む): 2776193280

約数和(自身を除く): 630706535

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 550831, 2754155, 10465789, 22584071, 52328945, 112920355, 429097349, 2145486745]

約数ペア:

[(1, 2145486745), (5, 429097349), (19, 112920355), (41, 52328945), (95, 22584071), (205, 10465789), (779, 2754155), (3895, 550831)]