398282545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 519281280

約数和(自身を除く): 120998735

約数列:

[1, 5, 17, 53, 85, 211, 265, 419, 901, 1055, 2095, 3587, 4505, 7123, 11183, 17935, 22207, 35615, 55915, 88409, 111035, 190111, 377519, 442045, 950555, 1502953, 1887595, 4685677, 7514765, 23428385, 79656509, 398282545]

約数ペア:

[(1, 398282545), (5, 79656509), (17, 23428385), (53, 7514765), (85, 4685677), (211, 1887595), (265, 1502953), (419, 950555), (901, 442045), (1055, 377519), (2095, 190111), (3587, 111035), (4505, 88409), (7123, 55915), (11183, 35615), (17935, 22207)]