291266170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{2729}}^1$

素因数の和:3570

約数の個数: 32

約数和(自身を含む): 565503120

約数和(自身を除く): 274236950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 821, 1642, 2729, 4105, 5458, 8210, 10673, 13645, 21346, 27290, 35477, 53365, 70954, 106730, 177385, 354770, 2240509, 4481018, 11202545, 22405090, 29126617, 58253234, 145633085, 291266170]

約数ペア:

[(1, 291266170), (2, 145633085), (5, 58253234), (10, 29126617), (13, 22405090), (26, 11202545), (65, 4481018), (130, 2240509), (821, 354770), (1642, 177385), (2729, 106730), (4105, 70954), (5458, 53365), (8210, 35477), (10673, 27290), (13645, 21346)]