158731856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 337478400

約数和(自身を除く): 178746544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 79, 83, 89, 136, 158, 166, 178, 272, 316, 332, 356, 632, 664, 712, 1264, 1328, 1343, 1411, 1424, 1513, 2686, 2822, 3026, 5372, 5644, 6052, 6557, 7031, 7387, 10744, 11288, 12104, 13114, 14062, 14774, 21488, 22576, 24208, 26228, 28124, 29548, 52456, 56248, 59096, 104912, 111469, 112496, 118192, 119527, 125579, 222938, 239054, 251158, 445876, 478108, 502316, 583573, 891752, 956216, 1004632, 1167146, 1783504, 1912432, 2009264, 2334292, 4668584, 9337168, 9920741, 19841482, 39682964, 79365928, 158731856]

約数ペア:

[(1, 158731856), (2, 79365928), (4, 39682964), (8, 19841482), (16, 9920741), (17, 9337168), (34, 4668584), (68, 2334292), (79, 2009264), (83, 1912432), (89, 1783504), (136, 1167146), (158, 1004632), (166, 956216), (178, 891752), (272, 583573), (316, 502316), (332, 478108), (356, 445876), (632, 251158), (664, 239054), (712, 222938), (1264, 125579), (1328, 119527), (1343, 118192), (1411, 112496), (1424, 111469), (1513, 104912), (2686, 59096), (2822, 56248), (3026, 52456), (5372, 29548), (5644, 28124), (6052, 26228), (6557, 24208), (7031, 22576), (7387, 21488), (10744, 14774), (11288, 14062), (12104, 13114)]