399281148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{15383}}^1$

素因数の和:15503

約数の個数: 72

約数和(自身を含む): 1164753408

約数和(自身を除く): 765472260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 927, 1236, 1442, 1854, 2163, 2884, 3708, 4326, 6489, 8652, 12978, 15383, 25956, 30766, 46149, 61532, 92298, 107681, 138447, 184596, 215362, 276894, 323043, 430724, 553788, 646086, 969129, 1292172, 1584449, 1938258, 3168898, 3876516, 4753347, 6337796, 9506694, 11091143, 14260041, 19013388, 22182286, 28520082, 33273429, 44364572, 57040164, 66546858, 99820287, 133093716, 199640574, 399281148]

約数ペア:

[(1, 399281148), (2, 199640574), (3, 133093716), (4, 99820287), (6, 66546858), (7, 57040164), (9, 44364572), (12, 33273429), (14, 28520082), (18, 22182286), (21, 19013388), (28, 14260041), (36, 11091143), (42, 9506694), (63, 6337796), (84, 4753347), (103, 3876516), (126, 3168898), (206, 1938258), (252, 1584449), (309, 1292172), (412, 969129), (618, 646086), (721, 553788), (927, 430724), (1236, 323043), (1442, 276894), (1854, 215362), (2163, 184596), (2884, 138447), (3708, 107681), (4326, 92298), (6489, 61532), (8652, 46149), (12978, 30766), (15383, 25956)]