256612048

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6719}}^1$

素因数の和:6776

約数の個数: 80

約数和(自身を含む): 639959040

約数和(自身を除く): 383346992

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 496, 616, 682, 868, 1232, 1364, 1736, 2387, 2728, 3472, 4774, 5456, 6719, 9548, 13438, 19096, 26876, 38192, 47033, 53752, 73909, 94066, 107504, 147818, 188132, 208289, 295636, 376264, 416578, 517363, 591272, 752528, 833156, 1034726, 1182544, 1458023, 1666312, 2069452, 2291179, 2916046, 3332624, 4138904, 4582358, 5832092, 8277808, 9164716, 11664184, 16038253, 18329432, 23328368, 32076506, 36658864, 64153012, 128306024, 256612048]

約数ペア:

[(1, 256612048), (2, 128306024), (4, 64153012), (7, 36658864), (8, 32076506), (11, 23328368), (14, 18329432), (16, 16038253), (22, 11664184), (28, 9164716), (31, 8277808), (44, 5832092), (56, 4582358), (62, 4138904), (77, 3332624), (88, 2916046), (112, 2291179), (124, 2069452), (154, 1666312), (176, 1458023), (217, 1182544), (248, 1034726), (308, 833156), (341, 752528), (434, 591272), (496, 517363), (616, 416578), (682, 376264), (868, 295636), (1232, 208289), (1364, 188132), (1736, 147818), (2387, 107504), (2728, 94066), (3472, 73909), (4774, 53752), (5456, 47033), (6719, 38192), (9548, 26876), (13438, 19096)]