218556468

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2779

約数の個数: 120

約数和(自身を含む): 647921120

約数和(自身を除く): 429364652

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 108, 114, 117, 156, 162, 171, 228, 234, 247, 324, 342, 351, 468, 494, 513, 684, 702, 741, 988, 1026, 1053, 1404, 1482, 1539, 2052, 2106, 2223, 2731, 2964, 3078, 4212, 4446, 5462, 6156, 6669, 8193, 8892, 10924, 13338, 16386, 20007, 24579, 26676, 32772, 35503, 40014, 49158, 51889, 71006, 73737, 80028, 98316, 103778, 106509, 142012, 147474, 155667, 207556, 213018, 221211, 294948, 311334, 319527, 426036, 442422, 467001, 622668, 639054, 674557, 884844, 934002, 958581, 1278108, 1349114, 1401003, 1868004, 1917162, 2023671, 2698228, 2802006, 2875743, 3834324, 4047342, 4203009, 5604012, 5751486, 6071013, 8094684, 8406018, 11502972, 12142026, 16812036, 18213039, 24284052, 36426078, 54639117, 72852156, 109278234, 218556468]

約数ペア:

[(1, 218556468), (2, 109278234), (3, 72852156), (4, 54639117), (6, 36426078), (9, 24284052), (12, 18213039), (13, 16812036), (18, 12142026), (19, 11502972), (26, 8406018), (27, 8094684), (36, 6071013), (38, 5751486), (39, 5604012), (52, 4203009), (54, 4047342), (57, 3834324), (76, 2875743), (78, 2802006), (81, 2698228), (108, 2023671), (114, 1917162), (117, 1868004), (156, 1401003), (162, 1349114), (171, 1278108), (228, 958581), (234, 934002), (247, 884844), (324, 674557), (342, 639054), (351, 622668), (468, 467001), (494, 442422), (513, 426036), (684, 319527), (702, 311334), (741, 294948), (988, 221211), (1026, 213018), (1053, 207556), (1404, 155667), (1482, 147474), (1539, 142012), (2052, 106509), (2106, 103778), (2223, 98316), (2731, 80028), (2964, 73737), (3078, 71006), (4212, 51889), (4446, 49158), (5462, 40014), (6156, 35503), (6669, 32772), (8193, 26676), (8892, 24579), (10924, 20007), (13338, 16386)]