639857604

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{7069}}^1$

素因数の和:7492

約数の個数: 48

約数和(自身を含む): 1575761600

約数和(自身を除く): 935903996

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 397, 794, 1191, 1588, 2382, 4764, 7069, 7543, 14138, 15086, 21207, 22629, 28276, 30172, 42414, 45258, 84828, 90516, 134311, 268622, 402933, 537244, 805866, 1611732, 2806393, 5612786, 8419179, 11225572, 16838358, 33676716, 53321467, 106642934, 159964401, 213285868, 319928802, 639857604]

約数ペア:

[(1, 639857604), (2, 319928802), (3, 213285868), (4, 159964401), (6, 106642934), (12, 53321467), (19, 33676716), (38, 16838358), (57, 11225572), (76, 8419179), (114, 5612786), (228, 2806393), (397, 1611732), (794, 805866), (1191, 537244), (1588, 402933), (2382, 268622), (4764, 134311), (7069, 90516), (7543, 84828), (14138, 45258), (15086, 42414), (21207, 30172), (22629, 28276)]