164103695

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 241309728

約数和(自身を除く): 77206033

約数列:

[1, 5, 7, 35, 37, 43, 49, 185, 215, 245, 259, 301, 421, 1295, 1505, 1591, 1813, 2105, 2107, 2947, 7955, 9065, 10535, 11137, 14735, 15577, 18103, 20629, 55685, 77885, 77959, 90515, 103145, 109039, 126721, 389795, 545195, 633605, 669811, 763273, 887047, 3349055, 3816365, 4435235, 4688677, 23443385, 32820739, 164103695]

約数ペア:

[(1, 164103695), (5, 32820739), (7, 23443385), (35, 4688677), (37, 4435235), (43, 3816365), (49, 3349055), (185, 887047), (215, 763273), (245, 669811), (259, 633605), (301, 545195), (421, 389795), (1295, 126721), (1505, 109039), (1591, 103145), (1813, 90515), (2105, 77959), (2107, 77885), (2947, 55685), (7955, 20629), (9065, 18103), (10535, 15577), (11137, 14735)]