1556959068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{997}}^1\times {\mathrm{6197}}^1$

素因数の和:7211

約数の個数: 72

約数和(自身を含む): 4503119712

約数和(自身を除く): 2946160644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 997, 1994, 2991, 3988, 5982, 6197, 6979, 8973, 11964, 12394, 13958, 17946, 18591, 20937, 24788, 27916, 35892, 37182, 41874, 43379, 55773, 62811, 74364, 83748, 86758, 111546, 125622, 130137, 173516, 223092, 251244, 260274, 390411, 520548, 780822, 1561644, 6178409, 12356818, 18535227, 24713636, 37070454, 43248863, 55605681, 74140908, 86497726, 111211362, 129746589, 172995452, 222422724, 259493178, 389239767, 518986356, 778479534, 1556959068]

約数ペア:

[(1, 1556959068), (2, 778479534), (3, 518986356), (4, 389239767), (6, 259493178), (7, 222422724), (9, 172995452), (12, 129746589), (14, 111211362), (18, 86497726), (21, 74140908), (28, 55605681), (36, 43248863), (42, 37070454), (63, 24713636), (84, 18535227), (126, 12356818), (252, 6178409), (997, 1561644), (1994, 780822), (2991, 520548), (3988, 390411), (5982, 260274), (6197, 251244), (6979, 223092), (8973, 173516), (11964, 130137), (12394, 125622), (13958, 111546), (17946, 86758), (18591, 83748), (20937, 74364), (24788, 62811), (27916, 55773), (35892, 43379), (37182, 41874)]