261567384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{64489}}^1$

素因数の和:64524

約数の個数: 48

約数和(自身を含む): 708100200

約数和(自身を除く): 446532816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 64489, 128978, 193467, 257956, 386934, 515912, 773868, 838357, 1547736, 1676714, 2515071, 3353428, 5030142, 6706856, 10060284, 10898641, 20120568, 21797282, 32695923, 43594564, 65391846, 87189128, 130783692, 261567384]

約数ペア:

[(1, 261567384), (2, 130783692), (3, 87189128), (4, 65391846), (6, 43594564), (8, 32695923), (12, 21797282), (13, 20120568), (24, 10898641), (26, 10060284), (39, 6706856), (52, 5030142), (78, 3353428), (104, 2515071), (156, 1676714), (169, 1547736), (312, 838357), (338, 773868), (507, 515912), (676, 386934), (1014, 257956), (1352, 193467), (2028, 128978), (4056, 64489)]