784923139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 1113735168

約数和(自身を除く): 328812029

約数列:

[1, 7, 11, 13, 23, 77, 91, 103, 143, 161, 253, 299, 331, 721, 1001, 1133, 1339, 1771, 2093, 2317, 2369, 3289, 3641, 4303, 7613, 7931, 9373, 14729, 16583, 23023, 25487, 26059, 30121, 30797, 34093, 47333, 53291, 83743, 98969, 103103, 182413, 215579, 238651, 331331, 338767, 375023, 443209, 586201, 692783, 784139, 1088659, 2371369, 2625161, 3102463, 4875299, 5488973, 7620613, 8625529, 10193807, 34127093, 60378703, 71356649, 112131877, 784923139]

約数ペア:

[(1, 784923139), (7, 112131877), (11, 71356649), (13, 60378703), (23, 34127093), (77, 10193807), (91, 8625529), (103, 7620613), (143, 5488973), (161, 4875299), (253, 3102463), (299, 2625161), (331, 2371369), (721, 1088659), (1001, 784139), (1133, 692783), (1339, 586201), (1771, 443209), (2093, 375023), (2317, 338767), (2369, 331331), (3289, 238651), (3641, 215579), (4303, 182413), (7613, 103103), (7931, 98969), (9373, 83743), (14729, 53291), (16583, 47333), (23023, 34093), (25487, 30797), (26059, 30121)]