215384855

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{773}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 312076800

約数和(自身を除く): 96691945

約数列:

[1, 5, 7, 19, 35, 95, 133, 419, 665, 773, 2095, 2933, 3865, 5411, 7961, 14665, 14687, 27055, 39805, 55727, 73435, 102809, 278635, 323887, 514045, 1619435, 2267209, 6153853, 11336045, 30769265, 43076971, 215384855]

約数ペア:

[(1, 215384855), (5, 43076971), (7, 30769265), (19, 11336045), (35, 6153853), (95, 2267209), (133, 1619435), (419, 514045), (665, 323887), (773, 278635), (2095, 102809), (2933, 73435), (3865, 55727), (5411, 39805), (7961, 27055), (14665, 14687)]