218186956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 443575440

約数和(自身を除く): 225388484

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 59, 76, 118, 197, 236, 247, 361, 394, 494, 722, 767, 788, 988, 1121, 1444, 1534, 2242, 2561, 3068, 3743, 4484, 4693, 5122, 7486, 9386, 10244, 11623, 14573, 14972, 18772, 21299, 23246, 29146, 42598, 46492, 48659, 58292, 71117, 85196, 97318, 142234, 151099, 194636, 220837, 276887, 284468, 302198, 441674, 553774, 604396, 883348, 924521, 1107548, 1849042, 2870881, 3698084, 4195903, 5741762, 8391806, 11483524, 16783612, 54546739, 109093478, 218186956]

約数ペア:

[(1, 218186956), (2, 109093478), (4, 54546739), (13, 16783612), (19, 11483524), (26, 8391806), (38, 5741762), (52, 4195903), (59, 3698084), (76, 2870881), (118, 1849042), (197, 1107548), (236, 924521), (247, 883348), (361, 604396), (394, 553774), (494, 441674), (722, 302198), (767, 284468), (788, 276887), (988, 220837), (1121, 194636), (1444, 151099), (1534, 142234), (2242, 97318), (2561, 85196), (3068, 71117), (3743, 58292), (4484, 48659), (4693, 46492), (5122, 42598), (7486, 29146), (9386, 23246), (10244, 21299), (11623, 18772), (14573, 14972)]