25597908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 74535552

約数和(自身を除く): 48937644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 647, 942, 1099, 1294, 1413, 1884, 1941, 2198, 2588, 2826, 3297, 3882, 4396, 4529, 5652, 5823, 6594, 7764, 9058, 9891, 11646, 13188, 13587, 18116, 19782, 23292, 27174, 39564, 40761, 54348, 81522, 101579, 163044, 203158, 304737, 406316, 609474, 711053, 914211, 1218948, 1422106, 1828422, 2133159, 2844212, 3656844, 4266318, 6399477, 8532636, 12798954, 25597908]

約数ペア:

[(1, 25597908), (2, 12798954), (3, 8532636), (4, 6399477), (6, 4266318), (7, 3656844), (9, 2844212), (12, 2133159), (14, 1828422), (18, 1422106), (21, 1218948), (28, 914211), (36, 711053), (42, 609474), (63, 406316), (84, 304737), (126, 203158), (157, 163044), (252, 101579), (314, 81522), (471, 54348), (628, 40761), (647, 39564), (942, 27174), (1099, 23292), (1294, 19782), (1413, 18116), (1884, 13587), (1941, 13188), (2198, 11646), (2588, 9891), (2826, 9058), (3297, 7764), (3882, 6594), (4396, 5823), (4529, 5652)]