72412172

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 149614080

約数和(自身を除く): 77201908

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 137, 172, 274, 301, 439, 548, 602, 878, 959, 1204, 1756, 1918, 3073, 3836, 5891, 6146, 11782, 12292, 18877, 23564, 37754, 41237, 60143, 75508, 82474, 120286, 132139, 164948, 240572, 264278, 421001, 528556, 842002, 1684004, 2586149, 5172298, 10344596, 18103043, 36206086, 72412172]

約数ペア:

[(1, 72412172), (2, 36206086), (4, 18103043), (7, 10344596), (14, 5172298), (28, 2586149), (43, 1684004), (86, 842002), (137, 528556), (172, 421001), (274, 264278), (301, 240572), (439, 164948), (548, 132139), (602, 120286), (878, 82474), (959, 75508), (1204, 60143), (1756, 41237), (1918, 37754), (3073, 23564), (3836, 18877), (5891, 12292), (6146, 11782)]