217679868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{11833}}^1$

素因数の和:11923

約数の個数: 72

約数和(自身を含む): 637521248

約数和(自身を除く): 419841380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1533, 2044, 2628, 3066, 4599, 6132, 9198, 11833, 18396, 23666, 35499, 47332, 70998, 82831, 106497, 141996, 165662, 212994, 248493, 331324, 425988, 496986, 745479, 863809, 993972, 1490958, 1727618, 2591427, 2981916, 3455236, 5182854, 6046663, 7774281, 10365708, 12093326, 15548562, 18139989, 24186652, 31097124, 36279978, 54419967, 72559956, 108839934, 217679868]

約数ペア:

[(1, 217679868), (2, 108839934), (3, 72559956), (4, 54419967), (6, 36279978), (7, 31097124), (9, 24186652), (12, 18139989), (14, 15548562), (18, 12093326), (21, 10365708), (28, 7774281), (36, 6046663), (42, 5182854), (63, 3455236), (73, 2981916), (84, 2591427), (126, 1727618), (146, 1490958), (219, 993972), (252, 863809), (292, 745479), (438, 496986), (511, 425988), (657, 331324), (876, 248493), (1022, 212994), (1314, 165662), (1533, 141996), (2044, 106497), (2628, 82831), (3066, 70998), (4599, 47332), (6132, 35499), (9198, 23666), (11833, 18396)]