668814736

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{5231}}^1$

素因数の和:5431

約数の個数: 40

約数和(自身を含む): 1327379328

約数和(自身を除く): 658564592

約数列:

[1, 2, 4, 8, 16, 61, 122, 131, 244, 262, 488, 524, 976, 1048, 2096, 5231, 7991, 10462, 15982, 20924, 31964, 41848, 63928, 83696, 127856, 319091, 638182, 685261, 1276364, 1370522, 2552728, 2741044, 5105456, 5482088, 10964176, 41800921, 83601842, 167203684, 334407368, 668814736]

約数ペア:

[(1, 668814736), (2, 334407368), (4, 167203684), (8, 83601842), (16, 41800921), (61, 10964176), (122, 5482088), (131, 5105456), (244, 2741044), (262, 2552728), (488, 1370522), (524, 1276364), (976, 685261), (1048, 638182), (2096, 319091), (5231, 127856), (7991, 83696), (10462, 63928), (15982, 41848), (20924, 31964)]