2643888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 7777280

約数和(自身を除く): 5133392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 223, 228, 247, 304, 312, 446, 456, 494, 624, 669, 741, 892, 912, 988, 1338, 1482, 1784, 1976, 2676, 2899, 2964, 3568, 3952, 4237, 5352, 5798, 5928, 8474, 8697, 10704, 11596, 11856, 12711, 16948, 17394, 23192, 25422, 33896, 34788, 46384, 50844, 55081, 67792, 69576, 101688, 110162, 139152, 165243, 203376, 220324, 330486, 440648, 660972, 881296, 1321944, 2643888]

約数ペア:

[(1, 2643888), (2, 1321944), (3, 881296), (4, 660972), (6, 440648), (8, 330486), (12, 220324), (13, 203376), (16, 165243), (19, 139152), (24, 110162), (26, 101688), (38, 69576), (39, 67792), (48, 55081), (52, 50844), (57, 46384), (76, 34788), (78, 33896), (104, 25422), (114, 23192), (152, 17394), (156, 16948), (208, 12711), (223, 11856), (228, 11596), (247, 10704), (304, 8697), (312, 8474), (446, 5928), (456, 5798), (494, 5352), (624, 4237), (669, 3952), (741, 3568), (892, 2964), (912, 2899), (988, 2676), (1338, 1976), (1482, 1784)]