642715164

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{28027}}^1$

素因数の和:28064

約数の個数: 108

約数和(自身を含む): 2035337304

約数和(自身を除く): 1392622140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1274, 1638, 1764, 1911, 2548, 3276, 3822, 5733, 7644, 11466, 22932, 28027, 56054, 84081, 112108, 168162, 196189, 252243, 336324, 364351, 392378, 504486, 588567, 728702, 784756, 1008972, 1093053, 1177134, 1373323, 1457404, 1765701, 2186106, 2354268, 2550457, 2746646, 3279159, 3531402, 4119969, 4372212, 5100914, 5493292, 6558318, 7062804, 7651371, 8239938, 10201828, 12359907, 13116636, 15302742, 16479876, 17853199, 22954113, 24719814, 30605484, 35706398, 45908226, 49439628, 53559597, 71412796, 91816452, 107119194, 160678791, 214238388, 321357582, 642715164]

約数ペア:

[(1, 642715164), (2, 321357582), (3, 214238388), (4, 160678791), (6, 107119194), (7, 91816452), (9, 71412796), (12, 53559597), (13, 49439628), (14, 45908226), (18, 35706398), (21, 30605484), (26, 24719814), (28, 22954113), (36, 17853199), (39, 16479876), (42, 15302742), (49, 13116636), (52, 12359907), (63, 10201828), (78, 8239938), (84, 7651371), (91, 7062804), (98, 6558318), (117, 5493292), (126, 5100914), (147, 4372212), (156, 4119969), (182, 3531402), (196, 3279159), (234, 2746646), (252, 2550457), (273, 2354268), (294, 2186106), (364, 1765701), (441, 1457404), (468, 1373323), (546, 1177134), (588, 1093053), (637, 1008972), (819, 784756), (882, 728702), (1092, 588567), (1274, 504486), (1638, 392378), (1764, 364351), (1911, 336324), (2548, 252243), (3276, 196189), (3822, 168162), (5733, 112108), (7644, 84081), (11466, 56054), (22932, 28027)]