640340645732

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1811}}^1\times {\mathrm{21193}}^1$

素因数の和:23148

約数の個数: 48

約数和(自身を含む): 1159172089152

約数和(自身を除く): 518831443420

約数列:

[1, 2, 4, 43, 86, 97, 172, 194, 388, 1811, 3622, 4171, 7244, 8342, 16684, 21193, 42386, 77873, 84772, 155746, 175667, 311492, 351334, 702668, 911299, 1822598, 2055721, 3645196, 4111442, 7553681, 8222884, 15107362, 30214724, 38380523, 76761046, 88396003, 153522092, 176792006, 353584012, 1650362489, 3300724978, 3722910731, 6601449956, 7445821462, 14891642924, 160085161433, 320170322866, 640340645732]

約数ペア:

[(1, 640340645732), (2, 320170322866), (4, 160085161433), (43, 14891642924), (86, 7445821462), (97, 6601449956), (172, 3722910731), (194, 3300724978), (388, 1650362489), (1811, 353584012), (3622, 176792006), (4171, 153522092), (7244, 88396003), (8342, 76761046), (16684, 38380523), (21193, 30214724), (42386, 15107362), (77873, 8222884), (84772, 7553681), (155746, 4111442), (175667, 3645196), (311492, 2055721), (351334, 1822598), (702668, 911299)]