989702964

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{1399}}^1$

素因数の和:1909

約数の個数: 72

約数和(自身を含む): 2567364800

約数和(自身を除く): 1577661836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 457, 516, 774, 914, 1371, 1399, 1548, 1828, 2742, 2798, 4113, 4197, 5484, 5596, 8226, 8394, 12591, 16452, 16788, 19651, 25182, 39302, 50364, 58953, 60157, 78604, 117906, 120314, 176859, 180471, 235812, 240628, 353718, 360942, 541413, 639343, 707436, 721884, 1082826, 1278686, 1918029, 2165652, 2557372, 3836058, 5754087, 7672116, 11508174, 23016348, 27491749, 54983498, 82475247, 109966996, 164950494, 247425741, 329900988, 494851482, 989702964]

約数ペア:

[(1, 989702964), (2, 494851482), (3, 329900988), (4, 247425741), (6, 164950494), (9, 109966996), (12, 82475247), (18, 54983498), (36, 27491749), (43, 23016348), (86, 11508174), (129, 7672116), (172, 5754087), (258, 3836058), (387, 2557372), (457, 2165652), (516, 1918029), (774, 1278686), (914, 1082826), (1371, 721884), (1399, 707436), (1548, 639343), (1828, 541413), (2742, 360942), (2798, 353718), (4113, 240628), (4197, 235812), (5484, 180471), (5596, 176859), (8226, 120314), (8394, 117906), (12591, 78604), (16452, 60157), (16788, 58953), (19651, 50364), (25182, 39302)]