219319308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2221}}^1$

素因数の和:2455

約数の個数: 72

約数和(自身を含む): 600135536

約数和(自身を除く): 380816228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 211, 234, 422, 468, 633, 844, 1266, 1899, 2221, 2532, 2743, 3798, 4442, 5486, 6663, 7596, 8229, 8884, 10972, 13326, 16458, 19989, 24687, 26652, 28873, 32916, 39978, 49374, 57746, 79956, 86619, 98748, 115492, 173238, 259857, 346476, 468631, 519714, 937262, 1039428, 1405893, 1874524, 2811786, 4217679, 5623572, 6092203, 8435358, 12184406, 16870716, 18276609, 24368812, 36553218, 54829827, 73106436, 109659654, 219319308]

約数ペア:

[(1, 219319308), (2, 109659654), (3, 73106436), (4, 54829827), (6, 36553218), (9, 24368812), (12, 18276609), (13, 16870716), (18, 12184406), (26, 8435358), (36, 6092203), (39, 5623572), (52, 4217679), (78, 2811786), (117, 1874524), (156, 1405893), (211, 1039428), (234, 937262), (422, 519714), (468, 468631), (633, 346476), (844, 259857), (1266, 173238), (1899, 115492), (2221, 98748), (2532, 86619), (2743, 79956), (3798, 57746), (4442, 49374), (5486, 39978), (6663, 32916), (7596, 28873), (8229, 26652), (8884, 24687), (10972, 19989), (13326, 16458)]