391570254

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 940584960

約数和(自身を除く): 549014706

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 47, 53, 54, 71, 82, 94, 106, 123, 141, 142, 159, 213, 246, 282, 318, 369, 423, 426, 477, 639, 738, 846, 954, 1107, 1269, 1278, 1431, 1917, 1927, 2173, 2214, 2491, 2538, 2862, 2911, 3337, 3763, 3834, 3854, 4346, 4982, 5781, 5822, 6519, 6674, 7473, 7526, 8733, 10011, 11289, 11562, 13038, 14946, 17343, 17466, 19557, 20022, 22419, 22578, 26199, 30033, 33867, 34686, 39114, 44838, 52029, 52398, 58671, 60066, 67257, 67734, 78597, 90099, 101601, 102131, 104058, 117342, 134514, 136817, 154283, 157194, 176861, 180198, 203202, 204262, 273634, 306393, 308566, 353722, 410451, 462849, 530583, 612786, 820902, 919179, 925698, 1061166, 1231353, 1388547, 1591749, 1838358, 2462706, 2757537, 2777094, 3183498, 3694059, 4165641, 4775247, 5515074, 7251301, 7388118, 8331282, 9550494, 14502602, 21753903, 43507806, 65261709, 130523418, 195785127, 391570254]

約数ペア:

[(1, 391570254), (2, 195785127), (3, 130523418), (6, 65261709), (9, 43507806), (18, 21753903), (27, 14502602), (41, 9550494), (47, 8331282), (53, 7388118), (54, 7251301), (71, 5515074), (82, 4775247), (94, 4165641), (106, 3694059), (123, 3183498), (141, 2777094), (142, 2757537), (159, 2462706), (213, 1838358), (246, 1591749), (282, 1388547), (318, 1231353), (369, 1061166), (423, 925698), (426, 919179), (477, 820902), (639, 612786), (738, 530583), (846, 462849), (954, 410451), (1107, 353722), (1269, 308566), (1278, 306393), (1431, 273634), (1917, 204262), (1927, 203202), (2173, 180198), (2214, 176861), (2491, 157194), (2538, 154283), (2862, 136817), (2911, 134514), (3337, 117342), (3763, 104058), (3834, 102131), (3854, 101601), (4346, 90099), (4982, 78597), (5781, 67734), (5822, 67257), (6519, 60066), (6674, 58671), (7473, 52398), (7526, 52029), (8733, 44838), (10011, 39114), (11289, 34686), (11562, 33867), (13038, 30033), (14946, 26199), (17343, 22578), (17466, 22419), (19557, 20022)]