163977125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 239016960

約数和(自身を除く): 75039835

約数列:

[1, 5, 13, 19, 25, 47, 65, 95, 113, 125, 235, 247, 325, 475, 565, 611, 893, 1175, 1235, 1469, 1625, 2147, 2375, 2825, 3055, 4465, 5311, 5875, 6175, 7345, 10735, 11609, 14125, 15275, 22325, 26555, 27911, 30875, 36725, 53675, 58045, 69043, 76375, 100909, 111625, 132775, 139555, 183625, 268375, 290225, 345215, 504545, 663875, 697775, 1311817, 1451125, 1726075, 2522725, 3488875, 6559085, 8630375, 12613625, 32795425, 163977125]

約数ペア:

[(1, 163977125), (5, 32795425), (13, 12613625), (19, 8630375), (25, 6559085), (47, 3488875), (65, 2522725), (95, 1726075), (113, 1451125), (125, 1311817), (235, 697775), (247, 663875), (325, 504545), (475, 345215), (565, 290225), (611, 268375), (893, 183625), (1175, 139555), (1235, 132775), (1469, 111625), (1625, 100909), (2147, 76375), (2375, 69043), (2825, 58045), (3055, 53675), (4465, 36725), (5311, 30875), (5875, 27911), (6175, 26555), (7345, 22325), (10735, 15275), (11609, 14125)]