72891904

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 157132800

約数和(自身を除く): 84240896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 127, 128, 152, 236, 254, 256, 304, 472, 508, 512, 608, 944, 1016, 1121, 1216, 1888, 2032, 2242, 2413, 2432, 3776, 4064, 4484, 4826, 4864, 7493, 7552, 8128, 8968, 9652, 9728, 14986, 15104, 16256, 17936, 19304, 29972, 30208, 32512, 35872, 38608, 59944, 65024, 71744, 77216, 119888, 142367, 143488, 154432, 239776, 284734, 286976, 308864, 479552, 569468, 573952, 617728, 959104, 1138936, 1235456, 1918208, 2277872, 3836416, 4555744, 9111488, 18222976, 36445952, 72891904]

約数ペア:

[(1, 72891904), (2, 36445952), (4, 18222976), (8, 9111488), (16, 4555744), (19, 3836416), (32, 2277872), (38, 1918208), (59, 1235456), (64, 1138936), (76, 959104), (118, 617728), (127, 573952), (128, 569468), (152, 479552), (236, 308864), (254, 286976), (256, 284734), (304, 239776), (472, 154432), (508, 143488), (512, 142367), (608, 119888), (944, 77216), (1016, 71744), (1121, 65024), (1216, 59944), (1888, 38608), (2032, 35872), (2242, 32512), (2413, 30208), (2432, 29972), (3776, 19304), (4064, 17936), (4484, 16256), (4826, 15104), (4864, 14986), (7493, 9728), (7552, 9652), (8128, 8968)]