388478883

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30839}}^1$

素因数の和:30891

約数の個数: 32

約数和(自身を含む): 621734400

約数和(自身を除く): 233255517

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 4199, 12597, 30839, 92517, 400907, 524263, 585941, 1202721, 1572789, 1757823, 6815419, 7617233, 9960997, 20446257, 22851699, 29882991, 129492961, 388478883]

約数ペア:

[(1, 388478883), (3, 129492961), (13, 29882991), (17, 22851699), (19, 20446257), (39, 9960997), (51, 7617233), (57, 6815419), (221, 1757823), (247, 1572789), (323, 1202721), (663, 585941), (741, 524263), (969, 400907), (4199, 92517), (12597, 30839)]