128868425

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 193059072

約数和(自身を除く): 64190647

約数列:

[1, 5, 7, 23, 25, 35, 101, 115, 161, 175, 317, 505, 575, 707, 805, 1585, 2219, 2323, 2525, 3535, 4025, 7291, 7925, 11095, 11615, 16261, 17675, 32017, 36455, 51037, 55475, 58075, 81305, 160085, 182275, 224119, 255185, 406525, 736391, 800425, 1120595, 1275925, 3681955, 5154737, 5602975, 18409775, 25773685, 128868425]

約数ペア:

[(1, 128868425), (5, 25773685), (7, 18409775), (23, 5602975), (25, 5154737), (35, 3681955), (101, 1275925), (115, 1120595), (161, 800425), (175, 736391), (317, 406525), (505, 255185), (575, 224119), (707, 182275), (805, 160085), (1585, 81305), (2219, 58075), (2323, 55475), (2525, 51037), (3535, 36455), (4025, 32017), (7291, 17675), (7925, 16261), (11095, 11615)]