297021505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 397974528

約数和(自身を除く): 100953023

約数列:

[1, 5, 11, 55, 61, 223, 305, 397, 671, 1115, 1985, 2453, 3355, 4367, 12265, 13603, 21835, 24217, 68015, 88531, 121085, 149633, 266387, 442655, 748165, 973841, 1331935, 4869205, 5400391, 27001955, 59404301, 297021505]

約数ペア:

[(1, 297021505), (5, 59404301), (11, 27001955), (55, 5400391), (61, 4869205), (223, 1331935), (305, 973841), (397, 748165), (671, 442655), (1115, 266387), (1985, 149633), (2453, 121085), (3355, 88531), (4367, 68015), (12265, 24217), (13603, 21835)]