78842988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 242651136

約数和(自身を除く): 163808148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 61, 63, 69, 84, 92, 122, 126, 138, 161, 183, 207, 223, 244, 252, 276, 322, 366, 414, 427, 446, 483, 549, 644, 669, 732, 828, 854, 892, 966, 1098, 1281, 1338, 1403, 1449, 1561, 1708, 1932, 2007, 2196, 2562, 2676, 2806, 2898, 3122, 3843, 4014, 4209, 4683, 5124, 5129, 5612, 5796, 6244, 7686, 8028, 8418, 9366, 9821, 10258, 12627, 13603, 14049, 15372, 15387, 16836, 18732, 19642, 20516, 25254, 27206, 28098, 29463, 30774, 35903, 39284, 40809, 46161, 50508, 54412, 56196, 58926, 61548, 71806, 81618, 88389, 92322, 95221, 107709, 117852, 122427, 143612, 163236, 176778, 184644, 190442, 215418, 244854, 285663, 312869, 323127, 353556, 380884, 430836, 489708, 571326, 625738, 646254, 856989, 938607, 1142652, 1251476, 1292508, 1713978, 1877214, 2190083, 2815821, 3427956, 3754428, 4380166, 5631642, 6570249, 8760332, 11263284, 13140498, 19710747, 26280996, 39421494, 78842988]

約数ペア:

[(1, 78842988), (2, 39421494), (3, 26280996), (4, 19710747), (6, 13140498), (7, 11263284), (9, 8760332), (12, 6570249), (14, 5631642), (18, 4380166), (21, 3754428), (23, 3427956), (28, 2815821), (36, 2190083), (42, 1877214), (46, 1713978), (61, 1292508), (63, 1251476), (69, 1142652), (84, 938607), (92, 856989), (122, 646254), (126, 625738), (138, 571326), (161, 489708), (183, 430836), (207, 380884), (223, 353556), (244, 323127), (252, 312869), (276, 285663), (322, 244854), (366, 215418), (414, 190442), (427, 184644), (446, 176778), (483, 163236), (549, 143612), (644, 122427), (669, 117852), (732, 107709), (828, 95221), (854, 92322), (892, 88389), (966, 81618), (1098, 71806), (1281, 61548), (1338, 58926), (1403, 56196), (1449, 54412), (1561, 50508), (1708, 46161), (1932, 40809), (2007, 39284), (2196, 35903), (2562, 30774), (2676, 29463), (2806, 28098), (2898, 27206), (3122, 25254), (3843, 20516), (4014, 19642), (4209, 18732), (4683, 16836), (5124, 15387), (5129, 15372), (5612, 14049), (5796, 13603), (6244, 12627), (7686, 10258), (8028, 9821), (8418, 9366)]