31377325

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 48211200

約数和(自身を除く): 16833875

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 119, 175, 199, 265, 371, 425, 595, 901, 995, 1325, 1393, 1855, 2975, 3383, 4505, 4975, 6307, 6965, 9275, 10547, 16915, 22525, 23681, 31535, 34825, 52735, 73829, 84575, 118405, 157675, 179299, 263675, 369145, 592025, 896495, 1255093, 1845725, 4482475, 6275465, 31377325]

約数ペア:

[(1, 31377325), (5, 6275465), (7, 4482475), (17, 1845725), (25, 1255093), (35, 896495), (53, 592025), (85, 369145), (119, 263675), (175, 179299), (199, 157675), (265, 118405), (371, 84575), (425, 73829), (595, 52735), (901, 34825), (995, 31535), (1325, 23681), (1393, 22525), (1855, 16915), (2975, 10547), (3383, 9275), (4505, 6965), (4975, 6307)]