20161279972

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 35929958400

約数和(自身を除く): 15768678428

約数列:

[1, 2, 4, 127, 157, 254, 314, 449, 508, 563, 628, 898, 1126, 1796, 2252, 19939, 39878, 57023, 70493, 71501, 79756, 88391, 114046, 140986, 143002, 176782, 228092, 252787, 281972, 286004, 353564, 505574, 1011148, 8952611, 11225657, 17905222, 22451314, 32103949, 35810444, 39687559, 44902628, 64207898, 79375118, 128415796, 158750236, 5040319993, 10080639986, 20161279972]

約数ペア:

[(1, 20161279972), (2, 10080639986), (4, 5040319993), (127, 158750236), (157, 128415796), (254, 79375118), (314, 64207898), (449, 44902628), (508, 39687559), (563, 35810444), (628, 32103949), (898, 22451314), (1126, 17905222), (1796, 11225657), (2252, 8952611), (19939, 1011148), (39878, 505574), (57023, 353564), (70493, 286004), (71501, 281972), (79756, 252787), (88391, 228092), (114046, 176782), (140986, 143002)]