16201998085

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1\times {\mathrm{1667}}^1$

素因数の和:2254

約数の個数: 64

約数和(自身を含む): 24574523904

約数和(自身を除く): 8372525819

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 521, 533, 1435, 1667, 2605, 2665, 3647, 3731, 6773, 8335, 11669, 18235, 18655, 21361, 21671, 33865, 47411, 58345, 68347, 106805, 108355, 149527, 151697, 237055, 277693, 341735, 478429, 747635, 758485, 868507, 888511, 1388465, 1943851, 2392145, 4342535, 4442555, 6079549, 6219577, 9719255, 11290591, 30397745, 31097885, 35608787, 56452955, 79034137, 178043935, 249261509, 395170685, 462914231, 1246307545, 2314571155, 3240399617, 16201998085]

約数ペア:

[(1, 16201998085), (5, 3240399617), (7, 2314571155), (13, 1246307545), (35, 462914231), (41, 395170685), (65, 249261509), (91, 178043935), (205, 79034137), (287, 56452955), (455, 35608787), (521, 31097885), (533, 30397745), (1435, 11290591), (1667, 9719255), (2605, 6219577), (2665, 6079549), (3647, 4442555), (3731, 4342535), (6773, 2392145), (8335, 1943851), (11669, 1388465), (18235, 888511), (18655, 868507), (21361, 758485), (21671, 747635), (33865, 478429), (47411, 341735), (58345, 277693), (68347, 237055), (106805, 151697), (108355, 149527)]