15666471772

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{212987}}^1$

素因数の和:213106

約数の個数: 48

約数和(自身を含む): 32633169408

約数和(自身を除く): 16966697636

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 284, 497, 518, 994, 1036, 1988, 2627, 5254, 10508, 18389, 36778, 73556, 212987, 425974, 851948, 1490909, 2981818, 5963636, 7880519, 15122077, 15761038, 30244154, 31522076, 55163633, 60488308, 105854539, 110327266, 211709078, 220654532, 423418156, 559516849, 1119033698, 2238067396, 3916617943, 7833235886, 15666471772]

約数ペア:

[(1, 15666471772), (2, 7833235886), (4, 3916617943), (7, 2238067396), (14, 1119033698), (28, 559516849), (37, 423418156), (71, 220654532), (74, 211709078), (142, 110327266), (148, 105854539), (259, 60488308), (284, 55163633), (497, 31522076), (518, 30244154), (994, 15761038), (1036, 15122077), (1988, 7880519), (2627, 5963636), (5254, 2981818), (10508, 1490909), (18389, 851948), (36778, 425974), (73556, 212987)]