193490128

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:636

約数の個数: 60

約数和(自身を含む): 409363680

約数和(自身を除く): 215873552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 169, 208, 326, 338, 439, 652, 676, 878, 1304, 1352, 1756, 2119, 2608, 2704, 3512, 4238, 5707, 7024, 8476, 11414, 16952, 22828, 27547, 33904, 45656, 55094, 71557, 74191, 91312, 110188, 143114, 148382, 220376, 286228, 296764, 440752, 572456, 593528, 930241, 1144912, 1187056, 1860482, 3720964, 7441928, 12093133, 14883856, 24186266, 48372532, 96745064, 193490128]

約数ペア:

[(1, 193490128), (2, 96745064), (4, 48372532), (8, 24186266), (13, 14883856), (16, 12093133), (26, 7441928), (52, 3720964), (104, 1860482), (163, 1187056), (169, 1144912), (208, 930241), (326, 593528), (338, 572456), (439, 440752), (652, 296764), (676, 286228), (878, 220376), (1304, 148382), (1352, 143114), (1756, 110188), (2119, 91312), (2608, 74191), (2704, 71557), (3512, 55094), (4238, 45656), (5707, 33904), (7024, 27547), (8476, 22828), (11414, 16952)]