638973324

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{3851}}^1$

素因数の和:4291

約数の個数: 72

約数和(自身を含む): 1766681280

約数和(自身を除く): 1127707956

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 419, 838, 1257, 1676, 2514, 3771, 3851, 4609, 5028, 7542, 7702, 9218, 11553, 13827, 15084, 15404, 18436, 23106, 27654, 34659, 41481, 42361, 46212, 55308, 69318, 82962, 84722, 127083, 138636, 165924, 169444, 254166, 381249, 508332, 762498, 1524996, 1613569, 3227138, 4840707, 6454276, 9681414, 14522121, 17749259, 19362828, 29044242, 35498518, 53247777, 58088484, 70997036, 106495554, 159743331, 212991108, 319486662, 638973324]

約数ペア:

[(1, 638973324), (2, 319486662), (3, 212991108), (4, 159743331), (6, 106495554), (9, 70997036), (11, 58088484), (12, 53247777), (18, 35498518), (22, 29044242), (33, 19362828), (36, 17749259), (44, 14522121), (66, 9681414), (99, 6454276), (132, 4840707), (198, 3227138), (396, 1613569), (419, 1524996), (838, 762498), (1257, 508332), (1676, 381249), (2514, 254166), (3771, 169444), (3851, 165924), (4609, 138636), (5028, 127083), (7542, 84722), (7702, 82962), (9218, 69318), (11553, 55308), (13827, 46212), (15084, 42361), (15404, 41481), (18436, 34659), (23106, 27654)]