87519964

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 180640768

約数和(自身を除く): 93120804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 157, 172, 301, 314, 463, 602, 628, 926, 1099, 1204, 1852, 2198, 3241, 4396, 6482, 6751, 12964, 13502, 19909, 27004, 39818, 47257, 72691, 79636, 94514, 139363, 145382, 189028, 278726, 290764, 508837, 557452, 1017674, 2035348, 3125713, 6251426, 12502852, 21879991, 43759982, 87519964]

約数ペア:

[(1, 87519964), (2, 43759982), (4, 21879991), (7, 12502852), (14, 6251426), (28, 3125713), (43, 2035348), (86, 1017674), (157, 557452), (172, 508837), (301, 290764), (314, 278726), (463, 189028), (602, 145382), (628, 139363), (926, 94514), (1099, 79636), (1204, 72691), (1852, 47257), (2198, 39818), (3241, 27004), (4396, 19909), (6482, 13502), (6751, 12964)]