256604856

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1109}}^1$

素因数の和:1460

約数の個数: 64

約数和(自身を含む): 664934400

約数和(自身を除く): 408329544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 311, 372, 622, 744, 933, 1109, 1244, 1866, 2218, 2488, 3327, 3732, 4436, 6654, 7464, 8872, 9641, 13308, 19282, 26616, 28923, 34379, 38564, 57846, 68758, 77128, 103137, 115692, 137516, 206274, 231384, 275032, 344899, 412548, 689798, 825096, 1034697, 1379596, 2069394, 2759192, 4138788, 8277576, 10691869, 21383738, 32075607, 42767476, 64151214, 85534952, 128302428, 256604856]

約数ペア:

[(1, 256604856), (2, 128302428), (3, 85534952), (4, 64151214), (6, 42767476), (8, 32075607), (12, 21383738), (24, 10691869), (31, 8277576), (62, 4138788), (93, 2759192), (124, 2069394), (186, 1379596), (248, 1034697), (311, 825096), (372, 689798), (622, 412548), (744, 344899), (933, 275032), (1109, 231384), (1244, 206274), (1866, 137516), (2218, 115692), (2488, 103137), (3327, 77128), (3732, 68758), (4436, 57846), (6654, 38564), (7464, 34379), (8872, 28923), (9641, 26616), (13308, 19282)]