64411216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211879}}^1$

素因数の和:211906

約数の個数: 20

約数和(自身を含む): 131365600

約数和(自身を除く): 66954384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211879, 423758, 847516, 1695032, 3390064, 4025701, 8051402, 16102804, 32205608, 64411216]

約数ペア:

[(1, 64411216), (2, 32205608), (4, 16102804), (8, 8051402), (16, 4025701), (19, 3390064), (38, 1695032), (76, 847516), (152, 423758), (304, 211879)]