319293325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20903}}^1$

素因数の和:20973

約数の個数: 24

約数和(自身を含む): 435472128

約数和(自身を除く): 116178803

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 3055, 15275, 20903, 104515, 271739, 522575, 982441, 1358695, 4912205, 6793475, 12771733, 24561025, 63858665, 319293325]

約数ペア:

[(1, 319293325), (5, 63858665), (13, 24561025), (25, 12771733), (47, 6793475), (65, 4912205), (235, 1358695), (325, 982441), (611, 522575), (1175, 271739), (3055, 104515), (15275, 20903)]