15721102085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{20759}}^1$

素因数の和:21029

約数の個数: 32

約数和(自身を含む): 20758671360

約数和(自身を除く): 5037569275

約数列:

[1, 5, 13, 61, 65, 191, 305, 793, 955, 2483, 3965, 11651, 12415, 20759, 58255, 103795, 151463, 269867, 757315, 1266299, 1349335, 3964969, 6331495, 16461887, 19824845, 51544597, 82309435, 241863109, 257722985, 1209315545, 3144220417, 15721102085]

約数ペア:

[(1, 15721102085), (5, 3144220417), (13, 1209315545), (61, 257722985), (65, 241863109), (191, 82309435), (305, 51544597), (793, 19824845), (955, 16461887), (2483, 6331495), (3965, 3964969), (11651, 1349335), (12415, 1266299), (20759, 757315), (58255, 269867), (103795, 151463)]