201961955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{947}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 278074944

約数和(自身を除く): 76112989

約数列:

[1, 5, 13, 17, 65, 85, 193, 221, 947, 965, 1105, 2509, 3281, 4735, 12311, 12545, 16099, 16405, 42653, 61555, 80495, 182771, 209287, 213265, 913855, 1046435, 2376023, 3107107, 11880115, 15535535, 40392391, 201961955]

約数ペア:

[(1, 201961955), (5, 40392391), (13, 15535535), (17, 11880115), (65, 3107107), (85, 2376023), (193, 1046435), (221, 913855), (947, 213265), (965, 209287), (1105, 182771), (2509, 80495), (3281, 61555), (4735, 42653), (12311, 16405), (12545, 16099)]