18501473081

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{601}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 24104349696

約数和(自身を除く): 5602876615

約数列:

[1, 7, 13, 37, 41, 91, 223, 259, 287, 481, 533, 601, 1517, 1561, 2899, 3367, 3731, 4207, 7813, 8251, 9143, 10619, 19721, 20293, 22237, 24641, 54691, 57757, 64001, 107263, 118859, 134023, 138047, 155659, 172487, 289081, 320333, 338291, 750841, 832013, 911717, 938161, 1742299, 2023567, 2242331, 2368037, 4397783, 4958851, 5494943, 6382019, 11852321, 12196093, 30784481, 34711957, 38464601, 64465063, 71434259, 82966247, 203312891, 451255441, 500039813, 1423190237, 2643067583, 18501473081]

約数ペア:

[(1, 18501473081), (7, 2643067583), (13, 1423190237), (37, 500039813), (41, 451255441), (91, 203312891), (223, 82966247), (259, 71434259), (287, 64465063), (481, 38464601), (533, 34711957), (601, 30784481), (1517, 12196093), (1561, 11852321), (2899, 6382019), (3367, 5494943), (3731, 4958851), (4207, 4397783), (7813, 2368037), (8251, 2242331), (9143, 2023567), (10619, 1742299), (19721, 938161), (20293, 911717), (22237, 832013), (24641, 750841), (54691, 338291), (57757, 320333), (64001, 289081), (107263, 172487), (118859, 155659), (134023, 138047)]