78881278

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{15187}}^1$

素因数の和:15256

約数の個数: 24

約数和(自身を含む): 140245992

約数和(自身を除く): 61364714

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 5194, 15187, 30374, 106309, 212618, 744163, 804911, 1488326, 1609822, 5634377, 11268754, 39440639, 78881278]

約数ペア:

[(1, 78881278), (2, 39440639), (7, 11268754), (14, 5634377), (49, 1609822), (53, 1488326), (98, 804911), (106, 744163), (371, 212618), (742, 106309), (2597, 30374), (5194, 15187)]