64987638

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3631}}^1$

素因数の和:3812

約数の個数: 32

約数和(自身を含む): 137725440

約数和(自身を除く): 72737802

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 157, 314, 471, 942, 2983, 3631, 5966, 7262, 8949, 10893, 17898, 21786, 68989, 137978, 206967, 413934, 570067, 1140134, 1710201, 3420402, 10831273, 21662546, 32493819, 64987638]

約数ペア:

[(1, 64987638), (2, 32493819), (3, 21662546), (6, 10831273), (19, 3420402), (38, 1710201), (57, 1140134), (114, 570067), (157, 413934), (314, 206967), (471, 137978), (942, 68989), (2983, 21786), (3631, 17898), (5966, 10893), (7262, 8949)]