28168956

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 75339264

約数和(自身を除く): 47170308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 43, 62, 86, 93, 124, 129, 172, 186, 258, 279, 372, 387, 516, 558, 587, 774, 1116, 1174, 1333, 1548, 1761, 2348, 2666, 3522, 3999, 5283, 5332, 7044, 7998, 10566, 11997, 15996, 18197, 21132, 23994, 25241, 36394, 47988, 50482, 54591, 72788, 75723, 100964, 109182, 151446, 163773, 218364, 227169, 302892, 327546, 454338, 655092, 782471, 908676, 1564942, 2347413, 3129884, 4694826, 7042239, 9389652, 14084478, 28168956]

約数ペア:

[(1, 28168956), (2, 14084478), (3, 9389652), (4, 7042239), (6, 4694826), (9, 3129884), (12, 2347413), (18, 1564942), (31, 908676), (36, 782471), (43, 655092), (62, 454338), (86, 327546), (93, 302892), (124, 227169), (129, 218364), (172, 163773), (186, 151446), (258, 109182), (279, 100964), (372, 75723), (387, 72788), (516, 54591), (558, 50482), (587, 47988), (774, 36394), (1116, 25241), (1174, 23994), (1333, 21132), (1548, 18197), (1761, 15996), (2348, 11997), (2666, 10566), (3522, 7998), (3999, 7044), (5283, 5332)]