255998512

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{719}}^1$

素因数の和:779

約数の個数: 120

約数和(自身を含む): 657815040

約数和(自身を除く): 401816528

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 289, 308, 374, 476, 578, 616, 719, 748, 952, 1156, 1232, 1309, 1438, 1496, 1904, 2023, 2312, 2618, 2876, 2992, 3179, 4046, 4624, 5033, 5236, 5752, 6358, 7909, 8092, 10066, 10472, 11504, 12223, 12716, 15818, 16184, 20132, 20944, 22253, 24446, 25432, 31636, 32368, 40264, 44506, 48892, 50864, 55363, 63272, 80528, 85561, 89012, 97784, 110726, 126544, 134453, 171122, 178024, 195568, 207791, 221452, 268906, 342244, 356048, 415582, 442904, 537812, 684488, 831164, 885808, 941171, 1075624, 1368976, 1454537, 1662328, 1882342, 2151248, 2285701, 2909074, 3324656, 3764684, 4571402, 5818148, 7529368, 9142804, 11636296, 15058736, 15999907, 18285608, 23272592, 31999814, 36571216, 63999628, 127999256, 255998512]

約数ペア:

[(1, 255998512), (2, 127999256), (4, 63999628), (7, 36571216), (8, 31999814), (11, 23272592), (14, 18285608), (16, 15999907), (17, 15058736), (22, 11636296), (28, 9142804), (34, 7529368), (44, 5818148), (56, 4571402), (68, 3764684), (77, 3324656), (88, 2909074), (112, 2285701), (119, 2151248), (136, 1882342), (154, 1662328), (176, 1454537), (187, 1368976), (238, 1075624), (272, 941171), (289, 885808), (308, 831164), (374, 684488), (476, 537812), (578, 442904), (616, 415582), (719, 356048), (748, 342244), (952, 268906), (1156, 221452), (1232, 207791), (1309, 195568), (1438, 178024), (1496, 171122), (1904, 134453), (2023, 126544), (2312, 110726), (2618, 97784), (2876, 89012), (2992, 85561), (3179, 80528), (4046, 63272), (4624, 55363), (5033, 50864), (5236, 48892), (5752, 44506), (6358, 40264), (7909, 32368), (8092, 31636), (10066, 25432), (10472, 24446), (11504, 22253), (12223, 20944), (12716, 20132), (15818, 16184)]