1198925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 1999872

約数和(自身を除く): 800947

約数列:

[1, 5, 7, 13, 17, 25, 31, 35, 65, 85, 91, 119, 155, 175, 217, 221, 325, 403, 425, 455, 527, 595, 775, 1085, 1105, 1547, 2015, 2275, 2635, 2821, 2975, 3689, 5425, 5525, 6851, 7735, 10075, 13175, 14105, 18445, 34255, 38675, 47957, 70525, 92225, 171275, 239785, 1198925]

約数ペア:

[(1, 1198925), (5, 239785), (7, 171275), (13, 92225), (17, 70525), (25, 47957), (31, 38675), (35, 34255), (65, 18445), (85, 14105), (91, 13175), (119, 10075), (155, 7735), (175, 6851), (217, 5525), (221, 5425), (325, 3689), (403, 2975), (425, 2821), (455, 2635), (527, 2275), (595, 2015), (775, 1547), (1085, 1105)]