214187897

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 280363008

約数和(自身を除く): 66175111

約数列:

[1, 7, 11, 31, 61, 77, 217, 341, 427, 671, 1471, 1891, 2387, 4697, 10297, 13237, 16181, 20801, 45601, 89731, 113267, 145607, 319207, 501611, 628117, 987041, 2781661, 3511277, 6909287, 19471627, 30598271, 214187897]

約数ペア:

[(1, 214187897), (7, 30598271), (11, 19471627), (31, 6909287), (61, 3511277), (77, 2781661), (217, 987041), (341, 628117), (427, 501611), (671, 319207), (1471, 145607), (1891, 113267), (2387, 89731), (4697, 45601), (10297, 20801), (13237, 16181)]