211321775

素因数分解:

$5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 309146880

約数和(自身を除く): 97825105

約数列:

[1, 5, 7, 25, 35, 59, 97, 175, 211, 295, 413, 485, 679, 1055, 1475, 1477, 2065, 2425, 3395, 5275, 5723, 7385, 10325, 12449, 16975, 20467, 28615, 36925, 40061, 62245, 87143, 102335, 143075, 143269, 200305, 311225, 435715, 511675, 716345, 1001525, 1207553, 2178575, 3581725, 6037765, 8452871, 30188825, 42264355, 211321775]

約数ペア:

[(1, 211321775), (5, 42264355), (7, 30188825), (25, 8452871), (35, 6037765), (59, 3581725), (97, 2178575), (175, 1207553), (211, 1001525), (295, 716345), (413, 511675), (485, 435715), (679, 311225), (1055, 200305), (1475, 143269), (1477, 143075), (2065, 102335), (2425, 87143), (3395, 62245), (5275, 40061), (5723, 36925), (7385, 28615), (10325, 20467), (12449, 16975)]