28001664

素因数分解:

$2^7\times 3^2\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 81681600

約数和(自身を除く): 53679936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 109, 128, 144, 192, 218, 223, 288, 327, 384, 436, 446, 576, 654, 669, 872, 892, 981, 1152, 1308, 1338, 1744, 1784, 1962, 2007, 2616, 2676, 3488, 3568, 3924, 4014, 5232, 5352, 6976, 7136, 7848, 8028, 10464, 10704, 13952, 14272, 15696, 16056, 20928, 21408, 24307, 28544, 31392, 32112, 41856, 42816, 48614, 62784, 64224, 72921, 85632, 97228, 125568, 128448, 145842, 194456, 218763, 256896, 291684, 388912, 437526, 583368, 777824, 875052, 1166736, 1555648, 1750104, 2333472, 3111296, 3500208, 4666944, 7000416, 9333888, 14000832, 28001664]

約数ペア:

[(1, 28001664), (2, 14000832), (3, 9333888), (4, 7000416), (6, 4666944), (8, 3500208), (9, 3111296), (12, 2333472), (16, 1750104), (18, 1555648), (24, 1166736), (32, 875052), (36, 777824), (48, 583368), (64, 437526), (72, 388912), (96, 291684), (109, 256896), (128, 218763), (144, 194456), (192, 145842), (218, 128448), (223, 125568), (288, 97228), (327, 85632), (384, 72921), (436, 64224), (446, 62784), (576, 48614), (654, 42816), (669, 41856), (872, 32112), (892, 31392), (981, 28544), (1152, 24307), (1308, 21408), (1338, 20928), (1744, 16056), (1784, 15696), (1962, 14272), (2007, 13952), (2616, 10704), (2676, 10464), (3488, 8028), (3568, 7848), (3924, 7136), (4014, 6976), (5232, 5352)]