111638128

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 254983680

約数和(自身を除く): 143345552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 101, 112, 139, 142, 202, 278, 284, 404, 497, 556, 568, 707, 808, 973, 994, 1112, 1136, 1414, 1616, 1946, 1988, 2224, 2828, 3892, 3976, 5656, 7171, 7784, 7952, 9869, 11312, 14039, 14342, 15568, 19738, 28078, 28684, 39476, 50197, 56156, 57368, 69083, 78952, 98273, 100394, 112312, 114736, 138166, 157904, 196546, 200788, 224624, 276332, 393092, 401576, 552664, 786184, 803152, 996769, 1105328, 1572368, 1993538, 3987076, 6977383, 7974152, 13954766, 15948304, 27909532, 55819064, 111638128]

約数ペア:

[(1, 111638128), (2, 55819064), (4, 27909532), (7, 15948304), (8, 13954766), (14, 7974152), (16, 6977383), (28, 3987076), (56, 1993538), (71, 1572368), (101, 1105328), (112, 996769), (139, 803152), (142, 786184), (202, 552664), (278, 401576), (284, 393092), (404, 276332), (497, 224624), (556, 200788), (568, 196546), (707, 157904), (808, 138166), (973, 114736), (994, 112312), (1112, 100394), (1136, 98273), (1414, 78952), (1616, 69083), (1946, 57368), (1988, 56156), (2224, 50197), (2828, 39476), (3892, 28684), (3976, 28078), (5656, 19738), (7171, 15568), (7784, 14342), (7952, 14039), (9869, 11312)]