205427404

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2247

約数の個数: 72

約数和(自身を含む): 462744240

約数和(自身を除く): 257316836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 74, 91, 98, 148, 182, 196, 259, 364, 481, 518, 637, 962, 1036, 1274, 1813, 1924, 2179, 2548, 3367, 3626, 4358, 6734, 7252, 8716, 13468, 15253, 23569, 28327, 30506, 47138, 56654, 61012, 80623, 94276, 106771, 113308, 161246, 198289, 213542, 322492, 396578, 427084, 564361, 793156, 1048099, 1128722, 1388023, 2096198, 2257444, 2776046, 3950527, 4192396, 5552092, 7336693, 7901054, 14673386, 15802108, 29346772, 51356851, 102713702, 205427404]

約数ペア:

[(1, 205427404), (2, 102713702), (4, 51356851), (7, 29346772), (13, 15802108), (14, 14673386), (26, 7901054), (28, 7336693), (37, 5552092), (49, 4192396), (52, 3950527), (74, 2776046), (91, 2257444), (98, 2096198), (148, 1388023), (182, 1128722), (196, 1048099), (259, 793156), (364, 564361), (481, 427084), (518, 396578), (637, 322492), (962, 213542), (1036, 198289), (1274, 161246), (1813, 113308), (1924, 106771), (2179, 94276), (2548, 80623), (3367, 61012), (3626, 56654), (4358, 47138), (6734, 30506), (7252, 28327), (8716, 23569), (13468, 15253)]