28635425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 44913792

約数和(自身を除く): 16278367

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 175, 205, 287, 307, 325, 455, 533, 1025, 1435, 1535, 2149, 2275, 2665, 3731, 3991, 7175, 7675, 10745, 12587, 13325, 18655, 19955, 27937, 53725, 62935, 88109, 93275, 99775, 139685, 163631, 314675, 440545, 698425, 818155, 1145417, 2202725, 4090775, 5727085, 28635425]

約数ペア:

[(1, 28635425), (5, 5727085), (7, 4090775), (13, 2202725), (25, 1145417), (35, 818155), (41, 698425), (65, 440545), (91, 314675), (175, 163631), (205, 139685), (287, 99775), (307, 93275), (325, 88109), (455, 62935), (533, 53725), (1025, 27937), (1435, 19955), (1535, 18655), (2149, 13325), (2275, 12587), (2665, 10745), (3731, 7675), (3991, 7175)]