28643615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 18772705

約数列:

[1, 5, 7, 11, 13, 35, 55, 59, 65, 77, 91, 97, 143, 295, 385, 413, 455, 485, 649, 679, 715, 767, 1001, 1067, 1261, 2065, 3245, 3395, 3835, 4543, 5005, 5335, 5369, 5723, 6305, 7469, 8437, 8827, 13871, 22715, 26845, 28615, 37345, 40061, 42185, 44135, 59059, 62953, 69355, 74399, 97097, 200305, 295295, 314765, 371995, 440671, 485485, 520793, 818389, 2203355, 2603965, 4091945, 5728723, 28643615]

約数ペア:

[(1, 28643615), (5, 5728723), (7, 4091945), (11, 2603965), (13, 2203355), (35, 818389), (55, 520793), (59, 485485), (65, 440671), (77, 371995), (91, 314765), (97, 295295), (143, 200305), (295, 97097), (385, 74399), (413, 69355), (455, 62953), (485, 59059), (649, 44135), (679, 42185), (715, 40061), (767, 37345), (1001, 28615), (1067, 26845), (1261, 22715), (2065, 13871), (3245, 8827), (3395, 8437), (3835, 7469), (4543, 6305), (5005, 5723), (5335, 5369)]