30480502

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2968

約数の個数: 24

約数和(自身を含む): 51122880

約数和(自身を除く): 20642378

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 2909, 5239, 5818, 10478, 37817, 75634, 90179, 180358, 491621, 983242, 1172327, 2344654, 15240251, 30480502]

約数ペア:

[(1, 30480502), (2, 15240251), (13, 2344654), (26, 1172327), (31, 983242), (62, 491621), (169, 180358), (338, 90179), (403, 75634), (806, 37817), (2909, 10478), (5239, 5818)]