217674256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 470219904

約数和(自身を除く): 252545648

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 43, 68, 74, 86, 136, 148, 172, 272, 296, 344, 503, 592, 629, 688, 731, 1006, 1258, 1462, 1591, 2012, 2516, 2924, 3182, 4024, 5032, 5848, 6364, 8048, 8551, 10064, 11696, 12728, 17102, 18611, 21629, 25456, 27047, 34204, 37222, 43258, 54094, 68408, 74444, 86516, 108188, 136816, 148888, 173032, 216376, 297776, 316387, 346064, 367693, 432752, 632774, 735386, 800273, 1265548, 1470772, 1600546, 2531096, 2941544, 3201092, 5062192, 5883088, 6402184, 12804368, 13604641, 27209282, 54418564, 108837128, 217674256]

約数ペア:

[(1, 217674256), (2, 108837128), (4, 54418564), (8, 27209282), (16, 13604641), (17, 12804368), (34, 6402184), (37, 5883088), (43, 5062192), (68, 3201092), (74, 2941544), (86, 2531096), (136, 1600546), (148, 1470772), (172, 1265548), (272, 800273), (296, 735386), (344, 632774), (503, 432752), (592, 367693), (629, 346064), (688, 316387), (731, 297776), (1006, 216376), (1258, 173032), (1462, 148888), (1591, 136816), (2012, 108188), (2516, 86516), (2924, 74444), (3182, 68408), (4024, 54094), (5032, 43258), (5848, 37222), (6364, 34204), (8048, 27047), (8551, 25456), (10064, 21629), (11696, 18611), (12728, 17102)]