16239972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 44815680

約数和(自身を除く): 28575708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 389, 426, 497, 588, 778, 852, 994, 1167, 1491, 1556, 1988, 2334, 2723, 2982, 3479, 4668, 5446, 5964, 6958, 8169, 10437, 10892, 13916, 16338, 19061, 20874, 27619, 32676, 38122, 41748, 55238, 57183, 76244, 82857, 110476, 114366, 165714, 193333, 228732, 331428, 386666, 579999, 773332, 1159998, 1353331, 2319996, 2706662, 4059993, 5413324, 8119986, 16239972]

約数ペア:

[(1, 16239972), (2, 8119986), (3, 5413324), (4, 4059993), (6, 2706662), (7, 2319996), (12, 1353331), (14, 1159998), (21, 773332), (28, 579999), (42, 386666), (49, 331428), (71, 228732), (84, 193333), (98, 165714), (142, 114366), (147, 110476), (196, 82857), (213, 76244), (284, 57183), (294, 55238), (389, 41748), (426, 38122), (497, 32676), (588, 27619), (778, 20874), (852, 19061), (994, 16338), (1167, 13916), (1491, 10892), (1556, 10437), (1988, 8169), (2334, 6958), (2723, 5964), (2982, 5446), (3479, 4668)]