821436

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 2451456

約数和(自身を除く): 1630020

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 127, 132, 147, 154, 196, 231, 254, 294, 308, 381, 462, 508, 539, 588, 762, 889, 924, 1078, 1397, 1524, 1617, 1778, 2156, 2667, 2794, 3234, 3556, 4191, 5334, 5588, 6223, 6468, 8382, 9779, 10668, 12446, 16764, 18669, 19558, 24892, 29337, 37338, 39116, 58674, 68453, 74676, 117348, 136906, 205359, 273812, 410718, 821436]

約数ペア:

[(1, 821436), (2, 410718), (3, 273812), (4, 205359), (6, 136906), (7, 117348), (11, 74676), (12, 68453), (14, 58674), (21, 39116), (22, 37338), (28, 29337), (33, 24892), (42, 19558), (44, 18669), (49, 16764), (66, 12446), (77, 10668), (84, 9779), (98, 8382), (127, 6468), (132, 6223), (147, 5588), (154, 5334), (196, 4191), (231, 3556), (254, 3234), (294, 2794), (308, 2667), (381, 2156), (462, 1778), (508, 1617), (539, 1524), (588, 1397), (762, 1078), (889, 924)]