221490468

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 571474176

約数和(自身を除く): 349983708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 271, 292, 311, 438, 542, 622, 657, 813, 876, 933, 1084, 1244, 1314, 1626, 1866, 2439, 2628, 2799, 3252, 3732, 4878, 5598, 9756, 11196, 19783, 22703, 39566, 45406, 59349, 68109, 79132, 84281, 90812, 118698, 136218, 168562, 178047, 204327, 237396, 252843, 272436, 337124, 356094, 408654, 505686, 712188, 758529, 817308, 1011372, 1517058, 3034116, 6152513, 12305026, 18457539, 24610052, 36915078, 55372617, 73830156, 110745234, 221490468]

約数ペア:

[(1, 221490468), (2, 110745234), (3, 73830156), (4, 55372617), (6, 36915078), (9, 24610052), (12, 18457539), (18, 12305026), (36, 6152513), (73, 3034116), (146, 1517058), (219, 1011372), (271, 817308), (292, 758529), (311, 712188), (438, 505686), (542, 408654), (622, 356094), (657, 337124), (813, 272436), (876, 252843), (933, 237396), (1084, 204327), (1244, 178047), (1314, 168562), (1626, 136218), (1866, 118698), (2439, 90812), (2628, 84281), (2799, 79132), (3252, 68109), (3732, 59349), (4878, 45406), (5598, 39566), (9756, 22703), (11196, 19783)]