278202964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 541900800

約数和(自身を除く): 263697836

約数列:

[1, 2, 4, 13, 26, 47, 52, 89, 94, 178, 188, 356, 611, 1157, 1222, 1279, 2314, 2444, 2558, 4183, 4628, 5116, 8366, 16627, 16732, 33254, 54379, 60113, 66508, 108758, 113831, 120226, 217516, 227662, 240452, 455324, 781469, 1479803, 1562938, 2959606, 3125876, 5350057, 5919212, 10700114, 21400228, 69550741, 139101482, 278202964]

約数ペア:

[(1, 278202964), (2, 139101482), (4, 69550741), (13, 21400228), (26, 10700114), (47, 5919212), (52, 5350057), (89, 3125876), (94, 2959606), (178, 1562938), (188, 1479803), (356, 781469), (611, 455324), (1157, 240452), (1222, 227662), (1279, 217516), (2314, 120226), (2444, 113831), (2558, 108758), (4183, 66508), (4628, 60113), (5116, 54379), (8366, 33254), (16627, 16732)]