1665241136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2557}}^1$

素因数の和:2710

約数の個数: 80

約数和(自身を含む): 3623601408

約数和(自身を除く): 1958360272

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 101, 104, 124, 202, 208, 248, 403, 404, 496, 806, 808, 1313, 1612, 1616, 2557, 2626, 3131, 3224, 5114, 5252, 6262, 6448, 10228, 10504, 12524, 20456, 21008, 25048, 33241, 40703, 40912, 50096, 66482, 79267, 81406, 132964, 158534, 162812, 258257, 265928, 317068, 325624, 516514, 531856, 634136, 651248, 1030471, 1033028, 1268272, 2060942, 2066056, 3357341, 4121884, 4132112, 6714682, 8005967, 8243768, 13429364, 16011934, 16487536, 26858728, 32023868, 53717456, 64047736, 104077571, 128095472, 208155142, 416310284, 832620568, 1665241136]

約数ペア:

[(1, 1665241136), (2, 832620568), (4, 416310284), (8, 208155142), (13, 128095472), (16, 104077571), (26, 64047736), (31, 53717456), (52, 32023868), (62, 26858728), (101, 16487536), (104, 16011934), (124, 13429364), (202, 8243768), (208, 8005967), (248, 6714682), (403, 4132112), (404, 4121884), (496, 3357341), (806, 2066056), (808, 2060942), (1313, 1268272), (1612, 1033028), (1616, 1030471), (2557, 651248), (2626, 634136), (3131, 531856), (3224, 516514), (5114, 325624), (5252, 317068), (6262, 265928), (6448, 258257), (10228, 162812), (10504, 158534), (12524, 132964), (20456, 81406), (21008, 79267), (25048, 66482), (33241, 50096), (40703, 40912)]