1640242079

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{1097}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 2018774016

約数和(自身を除く): 378531937

約数列:

[1, 7, 23, 37, 161, 251, 259, 851, 1097, 1757, 5773, 5957, 7679, 9287, 25231, 40411, 40589, 65009, 176617, 213601, 275347, 284123, 933547, 1495207, 1927429, 6332981, 6534829, 10187839, 44330867, 71314873, 234320297, 1640242079]

約数ペア:

[(1, 1640242079), (7, 234320297), (23, 71314873), (37, 44330867), (161, 10187839), (251, 6534829), (259, 6332981), (851, 1927429), (1097, 1495207), (1757, 933547), (5773, 284123), (5957, 275347), (7679, 213601), (9287, 176617), (25231, 65009), (40411, 40589)]