408045378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73681}}^1$

素因数の和:73770

約数の個数: 32

約数和(自身を含む): 891257472

約数和(自身を除く): 483212094

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 73681, 147362, 221043, 442086, 957853, 1915706, 2873559, 5231351, 5747118, 10462702, 15694053, 31388106, 68007563, 136015126, 204022689, 408045378]

約数ペア:

[(1, 408045378), (2, 204022689), (3, 136015126), (6, 68007563), (13, 31388106), (26, 15694053), (39, 10462702), (71, 5747118), (78, 5231351), (142, 2873559), (213, 1915706), (426, 957853), (923, 442086), (1846, 221043), (2769, 147362), (5538, 73681)]