820958138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{3389}}^1$

素因数の和:3444

約数の個数: 64

約数和(自身を含む): 1667554560

約数和(自身を除く): 846596422

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 1001, 1331, 1573, 1694, 2002, 2662, 3146, 3389, 6778, 9317, 11011, 17303, 18634, 22022, 23723, 34606, 37279, 44057, 47446, 74558, 88114, 121121, 242242, 260953, 308399, 410069, 484627, 521906, 616798, 820138, 969254, 2870483, 3392389, 4510759, 5330897, 5740966, 6784778, 9021518, 10661794, 31575313, 37316279, 58639867, 63150626, 74632558, 117279734, 410479069, 820958138]

約数ペア:

[(1, 820958138), (2, 410479069), (7, 117279734), (11, 74632558), (13, 63150626), (14, 58639867), (22, 37316279), (26, 31575313), (77, 10661794), (91, 9021518), (121, 6784778), (143, 5740966), (154, 5330897), (182, 4510759), (242, 3392389), (286, 2870483), (847, 969254), (1001, 820138), (1331, 616798), (1573, 521906), (1694, 484627), (2002, 410069), (2662, 308399), (3146, 260953), (3389, 242242), (6778, 121121), (9317, 88114), (11011, 74558), (17303, 47446), (18634, 44057), (22022, 37279), (23723, 34606)]