201859021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{373}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 263056640

約数和(自身を除く): 61197619

約数列:

[1, 7, 13, 19, 91, 133, 247, 313, 373, 1729, 2191, 2611, 4069, 4849, 5947, 7087, 28483, 33943, 41629, 49609, 77311, 92131, 116749, 541177, 644917, 817243, 1517737, 2218231, 10624159, 15527617, 28837003, 201859021]

約数ペア:

[(1, 201859021), (7, 28837003), (13, 15527617), (19, 10624159), (91, 2218231), (133, 1517737), (247, 817243), (313, 644917), (373, 541177), (1729, 116749), (2191, 92131), (2611, 77311), (4069, 49609), (4849, 41629), (5947, 33943), (7087, 28483)]