686272842

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^2\times {\mathrm{149}}^1$

素因数の和:356

約数の個数: 72

約数和(自身を含む): 1553069700

約数和(自身を除く): 866796858

約数列:

[1, 2, 3, 6, 9, 18, 41, 79, 82, 123, 149, 158, 237, 246, 298, 369, 447, 474, 711, 738, 894, 1341, 1422, 2682, 3239, 6109, 6241, 6478, 9717, 11771, 12218, 12482, 18327, 18723, 19434, 23542, 29151, 35313, 36654, 37446, 54981, 56169, 58302, 70626, 105939, 109962, 112338, 211878, 255881, 482611, 511762, 767643, 929909, 965222, 1447833, 1535286, 1859818, 2302929, 2789727, 2895666, 4343499, 4605858, 5579454, 8369181, 8686998, 16738362, 38126269, 76252538, 114378807, 228757614, 343136421, 686272842]

約数ペア:

[(1, 686272842), (2, 343136421), (3, 228757614), (6, 114378807), (9, 76252538), (18, 38126269), (41, 16738362), (79, 8686998), (82, 8369181), (123, 5579454), (149, 4605858), (158, 4343499), (237, 2895666), (246, 2789727), (298, 2302929), (369, 1859818), (447, 1535286), (474, 1447833), (711, 965222), (738, 929909), (894, 767643), (1341, 511762), (1422, 482611), (2682, 255881), (3239, 211878), (6109, 112338), (6241, 109962), (6478, 105939), (9717, 70626), (11771, 58302), (12218, 56169), (12482, 54981), (18327, 37446), (18723, 36654), (19434, 35313), (23542, 29151)]