128193464

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{89}}^2$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 295125240

約数和(自身を除く): 166931776

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 89, 119, 136, 178, 238, 289, 356, 476, 578, 623, 712, 952, 1156, 1246, 1513, 2023, 2312, 2492, 3026, 4046, 4984, 6052, 7921, 8092, 10591, 12104, 15842, 16184, 21182, 25721, 31684, 42364, 51442, 55447, 63368, 84728, 102884, 110894, 134657, 180047, 205768, 221788, 269314, 360094, 443576, 538628, 720188, 942599, 1077256, 1440376, 1885198, 2289169, 3770396, 4578338, 7540792, 9156676, 16024183, 18313352, 32048366, 64096732, 128193464]

約数ペア:

[(1, 128193464), (2, 64096732), (4, 32048366), (7, 18313352), (8, 16024183), (14, 9156676), (17, 7540792), (28, 4578338), (34, 3770396), (56, 2289169), (68, 1885198), (89, 1440376), (119, 1077256), (136, 942599), (178, 720188), (238, 538628), (289, 443576), (356, 360094), (476, 269314), (578, 221788), (623, 205768), (712, 180047), (952, 134657), (1156, 110894), (1246, 102884), (1513, 84728), (2023, 63368), (2312, 55447), (2492, 51442), (3026, 42364), (4046, 31684), (4984, 25721), (6052, 21182), (7921, 16184), (8092, 15842), (10591, 12104)]