28245994815

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{797}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 46298044800

約数和(自身を除く): 18052049985

約数列:

[1, 3, 5, 15, 101, 149, 157, 303, 447, 471, 505, 745, 785, 797, 1515, 2235, 2355, 2391, 3985, 11955, 15049, 15857, 23393, 45147, 47571, 70179, 75245, 79285, 80497, 116965, 118753, 125129, 225735, 237855, 241491, 350895, 356259, 375387, 402485, 593765, 625645, 1207455, 1781295, 1876935, 2362693, 7088079, 11813465, 11994053, 12638029, 18644221, 35440395, 35982159, 37914087, 55932663, 59970265, 63190145, 93221105, 179910795, 189570435, 279663315, 1883066321, 5649198963, 9415331605, 28245994815]

約数ペア:

[(1, 28245994815), (3, 9415331605), (5, 5649198963), (15, 1883066321), (101, 279663315), (149, 189570435), (157, 179910795), (303, 93221105), (447, 63190145), (471, 59970265), (505, 55932663), (745, 37914087), (785, 35982159), (797, 35440395), (1515, 18644221), (2235, 12638029), (2355, 11994053), (2391, 11813465), (3985, 7088079), (11955, 2362693), (15049, 1876935), (15857, 1781295), (23393, 1207455), (45147, 625645), (47571, 593765), (70179, 402485), (75245, 375387), (79285, 356259), (80497, 350895), (116965, 241491), (118753, 237855), (125129, 225735)]