28157712

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3137}}^1$

素因数の和:3176

約数の個数: 80

約数和(自身を含む): 84048192

約数和(自身を除く): 55890480

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2244, 2992, 3137, 4488, 6274, 8976, 9411, 12548, 18822, 25096, 34507, 37644, 50192, 53329, 69014, 75288, 103521, 106658, 138028, 150576, 159987, 207042, 213316, 276056, 319974, 414084, 426632, 552112, 586619, 639948, 828168, 853264, 1173238, 1279896, 1656336, 1759857, 2346476, 2559792, 3519714, 4692952, 7039428, 9385904, 14078856, 28157712]

約数ペア:

[(1, 28157712), (2, 14078856), (3, 9385904), (4, 7039428), (6, 4692952), (8, 3519714), (11, 2559792), (12, 2346476), (16, 1759857), (17, 1656336), (22, 1279896), (24, 1173238), (33, 853264), (34, 828168), (44, 639948), (48, 586619), (51, 552112), (66, 426632), (68, 414084), (88, 319974), (102, 276056), (132, 213316), (136, 207042), (176, 159987), (187, 150576), (204, 138028), (264, 106658), (272, 103521), (374, 75288), (408, 69014), (528, 53329), (561, 50192), (748, 37644), (816, 34507), (1122, 25096), (1496, 18822), (2244, 12548), (2992, 9411), (3137, 8976), (4488, 6274)]