28238364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 90994176

約数和(自身を除く): 62755812

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 61, 63, 66, 77, 84, 99, 122, 126, 132, 154, 167, 183, 198, 231, 244, 252, 308, 334, 366, 396, 427, 462, 501, 549, 668, 671, 693, 732, 854, 924, 1002, 1098, 1169, 1281, 1342, 1386, 1503, 1708, 1837, 2004, 2013, 2196, 2338, 2562, 2684, 2772, 3006, 3507, 3674, 3843, 4026, 4676, 4697, 5124, 5511, 6012, 6039, 7014, 7348, 7686, 8052, 9394, 10187, 10521, 11022, 12078, 12859, 14028, 14091, 15372, 16533, 18788, 20374, 21042, 22044, 24156, 25718, 28182, 30561, 33066, 38577, 40748, 42084, 42273, 51436, 56364, 61122, 66132, 71309, 77154, 84546, 91683, 112057, 115731, 122244, 142618, 154308, 169092, 183366, 213927, 224114, 231462, 285236, 336171, 366732, 427854, 448228, 462924, 641781, 672342, 784399, 855708, 1008513, 1283562, 1344684, 1568798, 2017026, 2353197, 2567124, 3137596, 4034052, 4706394, 7059591, 9412788, 14119182, 28238364]

約数ペア:

[(1, 28238364), (2, 14119182), (3, 9412788), (4, 7059591), (6, 4706394), (7, 4034052), (9, 3137596), (11, 2567124), (12, 2353197), (14, 2017026), (18, 1568798), (21, 1344684), (22, 1283562), (28, 1008513), (33, 855708), (36, 784399), (42, 672342), (44, 641781), (61, 462924), (63, 448228), (66, 427854), (77, 366732), (84, 336171), (99, 285236), (122, 231462), (126, 224114), (132, 213927), (154, 183366), (167, 169092), (183, 154308), (198, 142618), (231, 122244), (244, 115731), (252, 112057), (308, 91683), (334, 84546), (366, 77154), (396, 71309), (427, 66132), (462, 61122), (501, 56364), (549, 51436), (668, 42273), (671, 42084), (693, 40748), (732, 38577), (854, 33066), (924, 30561), (1002, 28182), (1098, 25718), (1169, 24156), (1281, 22044), (1342, 21042), (1386, 20374), (1503, 18788), (1708, 16533), (1837, 15372), (2004, 14091), (2013, 14028), (2196, 12859), (2338, 12078), (2562, 11022), (2684, 10521), (2772, 10187), (3006, 9394), (3507, 8052), (3674, 7686), (3843, 7348), (4026, 7014), (4676, 6039), (4697, 6012), (5124, 5511)]