678706572

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{20411}}^1$

素因数の和:20598

約数の個数: 48

約数和(自身を含む): 1687174272

約数和(自身を除く): 1008467700

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 163, 204, 326, 489, 652, 978, 1956, 2771, 5542, 8313, 11084, 16626, 20411, 33252, 40822, 61233, 81644, 122466, 244932, 346987, 693974, 1040961, 1387948, 2081922, 3326993, 4163844, 6653986, 9980979, 13307972, 19961958, 39923916, 56558881, 113117762, 169676643, 226235524, 339353286, 678706572]

約数ペア:

[(1, 678706572), (2, 339353286), (3, 226235524), (4, 169676643), (6, 113117762), (12, 56558881), (17, 39923916), (34, 19961958), (51, 13307972), (68, 9980979), (102, 6653986), (163, 4163844), (204, 3326993), (326, 2081922), (489, 1387948), (652, 1040961), (978, 693974), (1956, 346987), (2771, 244932), (5542, 122466), (8313, 81644), (11084, 61233), (16626, 40822), (20411, 33252)]