638371012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 1203536880

約数和(自身を除く): 565165868

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 313, 337, 356, 626, 674, 1252, 1348, 1513, 3026, 5321, 5729, 6052, 10642, 11458, 21284, 22916, 27857, 29993, 55714, 59986, 105481, 111428, 119972, 210962, 421924, 473569, 509881, 947138, 1019762, 1793177, 1894276, 2039524, 3586354, 7172708, 9387809, 18775618, 37551236, 159592753, 319185506, 638371012]

約数ペア:

[(1, 638371012), (2, 319185506), (4, 159592753), (17, 37551236), (34, 18775618), (68, 9387809), (89, 7172708), (178, 3586354), (313, 2039524), (337, 1894276), (356, 1793177), (626, 1019762), (674, 947138), (1252, 509881), (1348, 473569), (1513, 421924), (3026, 210962), (5321, 119972), (5729, 111428), (6052, 105481), (10642, 59986), (11458, 55714), (21284, 29993), (22916, 27857)]