639887508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59447}}^1$

素因数の和:59493

約数の個数: 72

約数和(自身を含む): 1817682048

約数和(自身を除く): 1177794540

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2691, 3588, 5382, 10764, 59447, 118894, 178341, 237788, 356682, 535023, 713364, 772811, 1070046, 1367281, 1545622, 2140092, 2318433, 2734562, 3091244, 4101843, 4636866, 5469124, 6955299, 8203686, 9273732, 12305529, 13910598, 16407372, 17774653, 24611058, 27821196, 35549306, 49222116, 53323959, 71098612, 106647918, 159971877, 213295836, 319943754, 639887508]

約数ペア:

[(1, 639887508), (2, 319943754), (3, 213295836), (4, 159971877), (6, 106647918), (9, 71098612), (12, 53323959), (13, 49222116), (18, 35549306), (23, 27821196), (26, 24611058), (36, 17774653), (39, 16407372), (46, 13910598), (52, 12305529), (69, 9273732), (78, 8203686), (92, 6955299), (117, 5469124), (138, 4636866), (156, 4101843), (207, 3091244), (234, 2734562), (276, 2318433), (299, 2140092), (414, 1545622), (468, 1367281), (598, 1070046), (828, 772811), (897, 713364), (1196, 535023), (1794, 356682), (2691, 237788), (3588, 178341), (5382, 118894), (10764, 59447)]