287458548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^2$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 735973728

約数和(自身を除く): 448515180

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 83, 149, 156, 166, 249, 298, 332, 447, 498, 596, 894, 996, 1079, 1788, 1937, 2158, 3237, 3874, 4316, 5811, 6474, 7748, 11622, 12367, 12948, 22201, 23244, 24734, 37101, 44402, 49468, 66603, 74202, 88804, 133206, 148404, 160771, 266412, 288613, 321542, 482313, 577226, 643084, 865839, 964626, 1154452, 1731678, 1842683, 1929252, 3463356, 3685366, 5528049, 7370732, 11056098, 22112196, 23954879, 47909758, 71864637, 95819516, 143729274, 287458548]

約数ペア:

[(1, 287458548), (2, 143729274), (3, 95819516), (4, 71864637), (6, 47909758), (12, 23954879), (13, 22112196), (26, 11056098), (39, 7370732), (52, 5528049), (78, 3685366), (83, 3463356), (149, 1929252), (156, 1842683), (166, 1731678), (249, 1154452), (298, 964626), (332, 865839), (447, 643084), (498, 577226), (596, 482313), (894, 321542), (996, 288613), (1079, 266412), (1788, 160771), (1937, 148404), (2158, 133206), (3237, 88804), (3874, 74202), (4316, 66603), (5811, 49468), (6474, 44402), (7748, 37101), (11622, 24734), (12367, 23244), (12948, 22201)]