28293678

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 144

約数和(自身を含む): 79795440

約数和(自身を除く): 51501762

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 37, 42, 49, 51, 54, 63, 74, 98, 102, 111, 119, 126, 147, 153, 189, 222, 238, 259, 289, 294, 306, 333, 357, 378, 441, 459, 518, 578, 629, 666, 714, 777, 833, 867, 882, 918, 999, 1071, 1258, 1323, 1554, 1666, 1734, 1813, 1887, 1998, 2023, 2142, 2331, 2499, 2601, 2646, 3213, 3626, 3774, 4046, 4403, 4662, 4998, 5202, 5439, 5661, 6069, 6426, 6993, 7497, 7803, 8806, 10693, 10878, 11322, 12138, 13209, 13986, 14161, 14994, 15606, 16317, 16983, 18207, 21386, 22491, 26418, 28322, 30821, 32079, 32634, 33966, 36414, 39627, 42483, 44982, 48951, 54621, 61642, 64158, 74851, 79254, 84966, 92463, 96237, 97902, 109242, 118881, 127449, 149702, 184926, 192474, 224553, 237762, 254898, 277389, 288711, 382347, 449106, 523957, 554778, 577422, 673659, 764694, 832167, 1047914, 1347318, 1571871, 1664334, 2020977, 3143742, 4041954, 4715613, 9431226, 14146839, 28293678]

約数ペア:

[(1, 28293678), (2, 14146839), (3, 9431226), (6, 4715613), (7, 4041954), (9, 3143742), (14, 2020977), (17, 1664334), (18, 1571871), (21, 1347318), (27, 1047914), (34, 832167), (37, 764694), (42, 673659), (49, 577422), (51, 554778), (54, 523957), (63, 449106), (74, 382347), (98, 288711), (102, 277389), (111, 254898), (119, 237762), (126, 224553), (147, 192474), (153, 184926), (189, 149702), (222, 127449), (238, 118881), (259, 109242), (289, 97902), (294, 96237), (306, 92463), (333, 84966), (357, 79254), (378, 74851), (441, 64158), (459, 61642), (518, 54621), (578, 48951), (629, 44982), (666, 42483), (714, 39627), (777, 36414), (833, 33966), (867, 32634), (882, 32079), (918, 30821), (999, 28322), (1071, 26418), (1258, 22491), (1323, 21386), (1554, 18207), (1666, 16983), (1734, 16317), (1813, 15606), (1887, 14994), (1998, 14161), (2023, 13986), (2142, 13209), (2331, 12138), (2499, 11322), (2601, 10878), (2646, 10693), (3213, 8806), (3626, 7803), (3774, 7497), (4046, 6993), (4403, 6426), (4662, 6069), (4998, 5661), (5202, 5439)]