1998612

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:138

約数の個数: 108

約数和(自身を含む): 6473376

約数和(自身を除く): 4474764

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 49, 63, 66, 77, 84, 98, 99, 103, 126, 132, 147, 154, 196, 198, 206, 231, 252, 294, 308, 309, 396, 412, 441, 462, 539, 588, 618, 693, 721, 882, 924, 927, 1078, 1133, 1236, 1386, 1442, 1617, 1764, 1854, 2156, 2163, 2266, 2772, 2884, 3234, 3399, 3708, 4326, 4532, 4851, 5047, 6468, 6489, 6798, 7931, 8652, 9702, 10094, 10197, 12978, 13596, 15141, 15862, 19404, 20188, 20394, 23793, 25956, 30282, 31724, 40788, 45423, 47586, 55517, 60564, 71379, 90846, 95172, 111034, 142758, 166551, 181692, 222068, 285516, 333102, 499653, 666204, 999306, 1998612]

約数ペア:

[(1, 1998612), (2, 999306), (3, 666204), (4, 499653), (6, 333102), (7, 285516), (9, 222068), (11, 181692), (12, 166551), (14, 142758), (18, 111034), (21, 95172), (22, 90846), (28, 71379), (33, 60564), (36, 55517), (42, 47586), (44, 45423), (49, 40788), (63, 31724), (66, 30282), (77, 25956), (84, 23793), (98, 20394), (99, 20188), (103, 19404), (126, 15862), (132, 15141), (147, 13596), (154, 12978), (196, 10197), (198, 10094), (206, 9702), (231, 8652), (252, 7931), (294, 6798), (308, 6489), (309, 6468), (396, 5047), (412, 4851), (441, 4532), (462, 4326), (539, 3708), (588, 3399), (618, 3234), (693, 2884), (721, 2772), (882, 2266), (924, 2163), (927, 2156), (1078, 1854), (1133, 1764), (1236, 1617), (1386, 1442)]