218609748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^2\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 108

約数和(自身を含む): 644236320

約数和(自身を除く): 425626572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 139, 158, 237, 252, 278, 316, 417, 474, 553, 556, 711, 834, 948, 973, 1106, 1251, 1422, 1659, 1668, 1946, 2212, 2502, 2844, 2919, 3318, 3892, 4977, 5004, 5838, 6241, 6636, 8757, 9954, 10981, 11676, 12482, 17514, 18723, 19908, 21962, 24964, 32943, 35028, 37446, 43687, 43924, 56169, 65886, 74892, 76867, 87374, 98829, 112338, 131061, 131772, 153734, 174748, 197658, 224676, 230601, 262122, 307468, 393183, 395316, 461202, 524244, 691803, 786366, 867499, 922404, 1383606, 1572732, 1734998, 2602497, 2767212, 3469996, 5204994, 6072493, 7807491, 10409988, 12144986, 15614982, 18217479, 24289972, 31229964, 36434958, 54652437, 72869916, 109304874, 218609748]

約数ペア:

[(1, 218609748), (2, 109304874), (3, 72869916), (4, 54652437), (6, 36434958), (7, 31229964), (9, 24289972), (12, 18217479), (14, 15614982), (18, 12144986), (21, 10409988), (28, 7807491), (36, 6072493), (42, 5204994), (63, 3469996), (79, 2767212), (84, 2602497), (126, 1734998), (139, 1572732), (158, 1383606), (237, 922404), (252, 867499), (278, 786366), (316, 691803), (417, 524244), (474, 461202), (553, 395316), (556, 393183), (711, 307468), (834, 262122), (948, 230601), (973, 224676), (1106, 197658), (1251, 174748), (1422, 153734), (1659, 131772), (1668, 131061), (1946, 112338), (2212, 98829), (2502, 87374), (2844, 76867), (2919, 74892), (3318, 65886), (3892, 56169), (4977, 43924), (5004, 43687), (5838, 37446), (6241, 35028), (6636, 32943), (8757, 24964), (9954, 21962), (10981, 19908), (11676, 18723), (12482, 17514)]