2159885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 3290112

約数和(自身を除く): 1130227

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 101, 235, 329, 455, 505, 611, 707, 1313, 1645, 3055, 3535, 4277, 4747, 6565, 9191, 21385, 23735, 33229, 45955, 61711, 166145, 308555, 431977, 2159885]

約数ペア:

[(1, 2159885), (5, 431977), (7, 308555), (13, 166145), (35, 61711), (47, 45955), (65, 33229), (91, 23735), (101, 21385), (235, 9191), (329, 6565), (455, 4747), (505, 4277), (611, 3535), (707, 3055), (1313, 1645)]