15816970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 32647608

約数和(自身を除く): 16830638

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 421, 442, 578, 842, 1105, 1445, 2105, 2210, 2890, 3757, 4210, 5473, 7157, 7514, 10946, 14314, 18785, 27365, 35785, 37570, 54730, 71570, 93041, 121669, 186082, 243338, 465205, 608345, 930410, 1216690, 1581697, 3163394, 7908485, 15816970]

約数ペア:

[(1, 15816970), (2, 7908485), (5, 3163394), (10, 1581697), (13, 1216690), (17, 930410), (26, 608345), (34, 465205), (65, 243338), (85, 186082), (130, 121669), (170, 93041), (221, 71570), (289, 54730), (421, 37570), (442, 35785), (578, 27365), (842, 18785), (1105, 14314), (1445, 10946), (2105, 7514), (2210, 7157), (2890, 5473), (3757, 4210)]