639172044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{30559}}^1$

素因数の和:30659

約数の個数: 72

約数和(自身を含む): 1868805120

約数和(自身を除く): 1229633076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 747, 996, 1162, 1494, 1743, 2324, 2988, 3486, 5229, 6972, 10458, 20916, 30559, 61118, 91677, 122236, 183354, 213913, 275031, 366708, 427826, 550062, 641739, 855652, 1100124, 1283478, 1925217, 2536397, 2566956, 3850434, 5072794, 7609191, 7700868, 10145588, 15218382, 17754779, 22827573, 30436764, 35509558, 45655146, 53264337, 71019116, 91310292, 106528674, 159793011, 213057348, 319586022, 639172044]

約数ペア:

[(1, 639172044), (2, 319586022), (3, 213057348), (4, 159793011), (6, 106528674), (7, 91310292), (9, 71019116), (12, 53264337), (14, 45655146), (18, 35509558), (21, 30436764), (28, 22827573), (36, 17754779), (42, 15218382), (63, 10145588), (83, 7700868), (84, 7609191), (126, 5072794), (166, 3850434), (249, 2566956), (252, 2536397), (332, 1925217), (498, 1283478), (581, 1100124), (747, 855652), (996, 641739), (1162, 550062), (1494, 427826), (1743, 366708), (2324, 275031), (2988, 213913), (3486, 183354), (5229, 122236), (6972, 91677), (10458, 61118), (20916, 30559)]