1640372965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{146921}}^1$

素因数の和:146973

約数の個数: 32

約数和(自身を含む): 2538812160

約数和(自身を除く): 898439195

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 2233, 11165, 146921, 734605, 1028447, 1616131, 4260709, 5142235, 8080655, 11312917, 21303545, 29824963, 46867799, 56564585, 149124815, 234338995, 328074593, 1640372965]

約数ペア:

[(1, 1640372965), (5, 328074593), (7, 234338995), (11, 149124815), (29, 56564585), (35, 46867799), (55, 29824963), (77, 21303545), (145, 11312917), (203, 8080655), (319, 5142235), (385, 4260709), (1015, 1616131), (1595, 1028447), (2233, 734605), (11165, 146921)]