128840278

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{1049}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 229017600

約数和(自身を除く): 100177322

約数列:

[1, 2, 7, 14, 31, 62, 217, 283, 434, 566, 1049, 1981, 2098, 3962, 7343, 8773, 14686, 17546, 32519, 61411, 65038, 122822, 227633, 296867, 455266, 593734, 2078069, 4156138, 9202877, 18405754, 64420139, 128840278]

約数ペア:

[(1, 128840278), (2, 64420139), (7, 18405754), (14, 9202877), (31, 4156138), (62, 2078069), (217, 593734), (283, 455266), (434, 296867), (566, 227633), (1049, 122822), (1981, 65038), (2098, 61411), (3962, 32519), (7343, 17546), (8773, 14686)]