17220952

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 20700008

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 223, 392, 394, 446, 788, 892, 1379, 1561, 1576, 1784, 2758, 3122, 5516, 6244, 9653, 10927, 11032, 12488, 19306, 21854, 38612, 43708, 43931, 77224, 87416, 87862, 175724, 307517, 351448, 615034, 1230068, 2152619, 2460136, 4305238, 8610476, 17220952]

約数ペア:

[(1, 17220952), (2, 8610476), (4, 4305238), (7, 2460136), (8, 2152619), (14, 1230068), (28, 615034), (49, 351448), (56, 307517), (98, 175724), (196, 87862), (197, 87416), (223, 77224), (392, 43931), (394, 43708), (446, 38612), (788, 21854), (892, 19306), (1379, 12488), (1561, 11032), (1576, 10927), (1784, 9653), (2758, 6244), (3122, 5516)]