15989484

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 44126208

約数和(自身を除く): 28136724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 383, 426, 497, 588, 766, 852, 994, 1149, 1491, 1532, 1988, 2298, 2681, 2982, 3479, 4596, 5362, 5964, 6958, 8043, 10437, 10724, 13916, 16086, 18767, 20874, 27193, 32172, 37534, 41748, 54386, 56301, 75068, 81579, 108772, 112602, 163158, 190351, 225204, 326316, 380702, 571053, 761404, 1142106, 1332457, 2284212, 2664914, 3997371, 5329828, 7994742, 15989484]

約数ペア:

[(1, 15989484), (2, 7994742), (3, 5329828), (4, 3997371), (6, 2664914), (7, 2284212), (12, 1332457), (14, 1142106), (21, 761404), (28, 571053), (42, 380702), (49, 326316), (71, 225204), (84, 190351), (98, 163158), (142, 112602), (147, 108772), (196, 81579), (213, 75068), (284, 56301), (294, 54386), (383, 41748), (426, 37534), (497, 32172), (588, 27193), (766, 20874), (852, 18767), (994, 16086), (1149, 13916), (1491, 10724), (1532, 10437), (1988, 8043), (2298, 6958), (2681, 5964), (2982, 5362), (3479, 4596)]