40448716

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 91412496

約数和(自身を除く): 50963780

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 73, 77, 98, 146, 154, 196, 257, 292, 308, 511, 514, 539, 803, 1022, 1028, 1078, 1606, 1799, 2044, 2156, 2827, 3212, 3577, 3598, 5621, 5654, 7154, 7196, 11242, 11308, 12593, 14308, 18761, 19789, 22484, 25186, 37522, 39347, 39578, 50372, 75044, 78694, 79156, 131327, 138523, 157388, 206371, 262654, 277046, 412742, 525308, 554092, 825484, 919289, 1444597, 1838578, 2889194, 3677156, 5778388, 10112179, 20224358, 40448716]

約数ペア:

[(1, 40448716), (2, 20224358), (4, 10112179), (7, 5778388), (11, 3677156), (14, 2889194), (22, 1838578), (28, 1444597), (44, 919289), (49, 825484), (73, 554092), (77, 525308), (98, 412742), (146, 277046), (154, 262654), (196, 206371), (257, 157388), (292, 138523), (308, 131327), (511, 79156), (514, 78694), (539, 75044), (803, 50372), (1022, 39578), (1028, 39347), (1078, 37522), (1606, 25186), (1799, 22484), (2044, 19789), (2156, 18761), (2827, 14308), (3212, 12593), (3577, 11308), (3598, 11242), (5621, 7196), (5654, 7154)]