71357272

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 157386240

約数和(自身を除く): 86028968

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 131, 137, 142, 262, 274, 284, 497, 524, 548, 568, 917, 959, 994, 1048, 1096, 1834, 1918, 1988, 3668, 3836, 3976, 7336, 7672, 9301, 9727, 17947, 18602, 19454, 35894, 37204, 38908, 65107, 68089, 71788, 74408, 77816, 125629, 130214, 136178, 143576, 251258, 260428, 272356, 502516, 520856, 544712, 1005032, 1274237, 2548474, 5096948, 8919659, 10193896, 17839318, 35678636, 71357272]

約数ペア:

[(1, 71357272), (2, 35678636), (4, 17839318), (7, 10193896), (8, 8919659), (14, 5096948), (28, 2548474), (56, 1274237), (71, 1005032), (131, 544712), (137, 520856), (142, 502516), (262, 272356), (274, 260428), (284, 251258), (497, 143576), (524, 136178), (548, 130214), (568, 125629), (917, 77816), (959, 74408), (994, 71788), (1048, 68089), (1096, 65107), (1834, 38908), (1918, 37204), (1988, 35894), (3668, 19454), (3836, 18602), (3976, 17947), (7336, 9727), (7672, 9301)]