637938

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 1624896

約数和(自身を除く): 986958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 83, 122, 126, 166, 183, 249, 366, 427, 498, 549, 581, 747, 854, 1098, 1162, 1281, 1494, 1743, 2562, 3486, 3843, 5063, 5229, 7686, 10126, 10458, 15189, 30378, 35441, 45567, 70882, 91134, 106323, 212646, 318969, 637938]

約数ペア:

[(1, 637938), (2, 318969), (3, 212646), (6, 106323), (7, 91134), (9, 70882), (14, 45567), (18, 35441), (21, 30378), (42, 15189), (61, 10458), (63, 10126), (83, 7686), (122, 5229), (126, 5063), (166, 3843), (183, 3486), (249, 2562), (366, 1743), (427, 1494), (498, 1281), (549, 1162), (581, 1098), (747, 854)]