209987358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{829}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 496565760

約数和(自身を除く): 286578402

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 163, 222, 259, 326, 489, 518, 777, 829, 978, 1141, 1554, 1658, 2282, 2487, 3423, 4974, 5803, 6031, 6846, 11606, 12062, 17409, 18093, 30673, 34818, 36186, 42217, 61346, 84434, 92019, 126651, 135127, 184038, 214711, 253302, 270254, 405381, 429422, 644133, 810762, 945889, 1288266, 1891778, 2837667, 4999699, 5675334, 9999398, 14999097, 29998194, 34997893, 69995786, 104993679, 209987358]

約数ペア:

[(1, 209987358), (2, 104993679), (3, 69995786), (6, 34997893), (7, 29998194), (14, 14999097), (21, 9999398), (37, 5675334), (42, 4999699), (74, 2837667), (111, 1891778), (163, 1288266), (222, 945889), (259, 810762), (326, 644133), (489, 429422), (518, 405381), (777, 270254), (829, 253302), (978, 214711), (1141, 184038), (1554, 135127), (1658, 126651), (2282, 92019), (2487, 84434), (3423, 61346), (4974, 42217), (5803, 36186), (6031, 34818), (6846, 30673), (11606, 18093), (12062, 17409)]