661332364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{4409}}^1$

素因数の和:4918

約数の個数: 48

約数和(自身を含む): 1446197760

約数和(自身を除く): 784865396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 487, 974, 1948, 3409, 4409, 5357, 6818, 8818, 10714, 13636, 17636, 21428, 30863, 37499, 48499, 61726, 74998, 96998, 123452, 149996, 193996, 339493, 678986, 1357972, 2147183, 4294366, 8588732, 15030281, 23619013, 30060562, 47238026, 60121124, 94476052, 165333091, 330666182, 661332364]

約数ペア:

[(1, 661332364), (2, 330666182), (4, 165333091), (7, 94476052), (11, 60121124), (14, 47238026), (22, 30060562), (28, 23619013), (44, 15030281), (77, 8588732), (154, 4294366), (308, 2147183), (487, 1357972), (974, 678986), (1948, 339493), (3409, 193996), (4409, 149996), (5357, 123452), (6818, 96998), (8818, 74998), (10714, 61726), (13636, 48499), (17636, 37499), (21428, 30863)]