253996925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1151}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 391974912

約数和(自身を除く): 137977987

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 97, 175, 325, 455, 485, 679, 1151, 1261, 2275, 2425, 3395, 5755, 6305, 8057, 8827, 14963, 16975, 28775, 31525, 40285, 44135, 74815, 104741, 111647, 201425, 220675, 374075, 523705, 558235, 781529, 1451411, 2618525, 2791175, 3907645, 7257055, 10159877, 19538225, 36285275, 50799385, 253996925]

約数ペア:

[(1, 253996925), (5, 50799385), (7, 36285275), (13, 19538225), (25, 10159877), (35, 7257055), (65, 3907645), (91, 2791175), (97, 2618525), (175, 1451411), (325, 781529), (455, 558235), (485, 523705), (679, 374075), (1151, 220675), (1261, 201425), (2275, 111647), (2425, 104741), (3395, 74815), (5755, 44135), (6305, 40285), (8057, 31525), (8827, 28775), (14963, 16975)]