28312816

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 67852800

約数和(自身を除く): 39539984

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 46, 56, 58, 92, 112, 116, 161, 184, 203, 232, 322, 368, 379, 406, 464, 644, 667, 758, 812, 1288, 1334, 1516, 1624, 2576, 2653, 2668, 3032, 3248, 4669, 5306, 5336, 6064, 8717, 9338, 10612, 10672, 10991, 17434, 18676, 21224, 21982, 34868, 37352, 42448, 43964, 61019, 69736, 74704, 76937, 87928, 122038, 139472, 153874, 175856, 244076, 252793, 307748, 488152, 505586, 615496, 976304, 1011172, 1230992, 1769551, 2022344, 3539102, 4044688, 7078204, 14156408, 28312816]

約数ペア:

[(1, 28312816), (2, 14156408), (4, 7078204), (7, 4044688), (8, 3539102), (14, 2022344), (16, 1769551), (23, 1230992), (28, 1011172), (29, 976304), (46, 615496), (56, 505586), (58, 488152), (92, 307748), (112, 252793), (116, 244076), (161, 175856), (184, 153874), (203, 139472), (232, 122038), (322, 87928), (368, 76937), (379, 74704), (406, 69736), (464, 61019), (644, 43964), (667, 42448), (758, 37352), (812, 34868), (1288, 21982), (1334, 21224), (1516, 18676), (1624, 17434), (2576, 10991), (2653, 10672), (2668, 10612), (3032, 9338), (3248, 8717), (4669, 6064), (5306, 5336)]