201968065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 267111936

約数和(自身を除く): 65143871

約数列:

[1, 5, 13, 65, 97, 103, 311, 485, 515, 1261, 1339, 1555, 4043, 6305, 6695, 9991, 20215, 30167, 32033, 49955, 129883, 150835, 160165, 392171, 416429, 649415, 1960855, 2082145, 3107201, 15536005, 40393613, 201968065]

約数ペア:

[(1, 201968065), (5, 40393613), (13, 15536005), (65, 3107201), (97, 2082145), (103, 1960855), (311, 649415), (485, 416429), (515, 392171), (1261, 160165), (1339, 150835), (1555, 129883), (4043, 49955), (6305, 32033), (6695, 30167), (9991, 20215)]