491186808

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1993}}^1$

素因数の和:2178

約数の個数: 128

約数和(自身を含む): 1569676800

約数和(自身を除く): 1078489992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 163, 168, 189, 216, 252, 326, 378, 489, 504, 652, 756, 978, 1141, 1304, 1467, 1512, 1956, 1993, 2282, 2934, 3423, 3912, 3986, 4401, 4564, 5868, 5979, 6846, 7972, 8802, 9128, 10269, 11736, 11958, 13692, 13951, 15944, 17604, 17937, 20538, 23916, 27384, 27902, 30807, 35208, 35874, 41076, 41853, 47832, 53811, 55804, 61614, 71748, 82152, 83706, 107622, 111608, 123228, 125559, 143496, 167412, 215244, 246456, 251118, 324859, 334824, 376677, 430488, 502236, 649718, 753354, 974577, 1004472, 1299436, 1506708, 1949154, 2274013, 2598872, 2923731, 3013416, 3898308, 4548026, 5847462, 6822039, 7796616, 8771193, 9096052, 11694924, 13644078, 17542386, 18192104, 20466117, 23389848, 27288156, 35084772, 40932234, 54576312, 61398351, 70169544, 81864468, 122796702, 163728936, 245593404, 491186808]

約数ペア:

[(1, 491186808), (2, 245593404), (3, 163728936), (4, 122796702), (6, 81864468), (7, 70169544), (8, 61398351), (9, 54576312), (12, 40932234), (14, 35084772), (18, 27288156), (21, 23389848), (24, 20466117), (27, 18192104), (28, 17542386), (36, 13644078), (42, 11694924), (54, 9096052), (56, 8771193), (63, 7796616), (72, 6822039), (84, 5847462), (108, 4548026), (126, 3898308), (163, 3013416), (168, 2923731), (189, 2598872), (216, 2274013), (252, 1949154), (326, 1506708), (378, 1299436), (489, 1004472), (504, 974577), (652, 753354), (756, 649718), (978, 502236), (1141, 430488), (1304, 376677), (1467, 334824), (1512, 324859), (1956, 251118), (1993, 246456), (2282, 215244), (2934, 167412), (3423, 143496), (3912, 125559), (3986, 123228), (4401, 111608), (4564, 107622), (5868, 83706), (5979, 82152), (6846, 71748), (7972, 61614), (8802, 55804), (9128, 53811), (10269, 47832), (11736, 41853), (11958, 41076), (13692, 35874), (13951, 35208), (15944, 30807), (17604, 27902), (17937, 27384), (20538, 23916)]