1221882128

素因数分解:

$2^4\times {\mathrm{1373}}^1\times {\mathrm{55621}}^1$

素因数の和:57002

約数の個数: 20

約数和(自身を含む): 2369163468

約数和(自身を除く): 1147281340

約数列:

[1, 2, 4, 8, 16, 1373, 2746, 5492, 10984, 21968, 55621, 111242, 222484, 444968, 889936, 76367633, 152735266, 305470532, 610941064, 1221882128]

約数ペア:

[(1, 1221882128), (2, 610941064), (4, 305470532), (8, 152735266), (16, 76367633), (1373, 889936), (2746, 444968), (5492, 222484), (10984, 111242), (21968, 55621)]