72869916

素因数分解:

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

素因数の和:311

約数の個数: 72

約数和(自身を含む): 198226560

約数和(自身を除く): 125356644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 139, 158, 237, 278, 316, 417, 474, 553, 556, 834, 948, 973, 1106, 1659, 1668, 1946, 2212, 2919, 3318, 3892, 5838, 6241, 6636, 10981, 11676, 12482, 18723, 21962, 24964, 32943, 37446, 43687, 43924, 65886, 74892, 76867, 87374, 131061, 131772, 153734, 174748, 230601, 262122, 307468, 461202, 524244, 867499, 922404, 1734998, 2602497, 3469996, 5204994, 6072493, 10409988, 12144986, 18217479, 24289972, 36434958, 72869916]

約数ペア:

[(1, 72869916), (2, 36434958), (3, 24289972), (4, 18217479), (6, 12144986), (7, 10409988), (12, 6072493), (14, 5204994), (21, 3469996), (28, 2602497), (42, 1734998), (79, 922404), (84, 867499), (139, 524244), (158, 461202), (237, 307468), (278, 262122), (316, 230601), (417, 174748), (474, 153734), (553, 131772), (556, 131061), (834, 87374), (948, 76867), (973, 74892), (1106, 65886), (1659, 43924), (1668, 43687), (1946, 37446), (2212, 32943), (2919, 24964), (3318, 21962), (3892, 18723), (5838, 12482), (6241, 11676), (6636, 10981)]