281061242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1203

約数の個数: 64

約数和(自身を含む): 556498944

約数和(自身を除く): 275437702

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 73, 77, 146, 154, 161, 253, 322, 506, 511, 803, 1022, 1087, 1606, 1679, 1771, 2174, 3358, 3542, 5621, 7609, 11242, 11753, 11957, 15218, 18469, 23506, 23914, 25001, 36938, 50002, 79351, 83699, 129283, 158702, 167398, 175007, 258566, 275011, 350014, 550022, 555457, 872861, 1110914, 1745722, 1825073, 1925077, 3650146, 3850154, 6110027, 12220054, 12775511, 20075803, 25551022, 40151606, 140530621, 281061242]

約数ペア:

[(1, 281061242), (2, 140530621), (7, 40151606), (11, 25551022), (14, 20075803), (22, 12775511), (23, 12220054), (46, 6110027), (73, 3850154), (77, 3650146), (146, 1925077), (154, 1825073), (161, 1745722), (253, 1110914), (322, 872861), (506, 555457), (511, 550022), (803, 350014), (1022, 275011), (1087, 258566), (1606, 175007), (1679, 167398), (1771, 158702), (2174, 129283), (3358, 83699), (3542, 79351), (5621, 50002), (7609, 36938), (11242, 25001), (11753, 23914), (11957, 23506), (15218, 18469)]