128957388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19433}}^1$

素因数の和:19526

約数の個数: 48

約数和(自身を含む): 348257280

約数和(自身を除く): 219299892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3318, 6636, 19433, 38866, 58299, 77732, 116598, 136031, 233196, 272062, 408093, 544124, 816186, 1535207, 1632372, 3070414, 4605621, 6140828, 9211242, 10746449, 18422484, 21492898, 32239347, 42985796, 64478694, 128957388]

約数ペア:

[(1, 128957388), (2, 64478694), (3, 42985796), (4, 32239347), (6, 21492898), (7, 18422484), (12, 10746449), (14, 9211242), (21, 6140828), (28, 4605621), (42, 3070414), (79, 1632372), (84, 1535207), (158, 816186), (237, 544124), (316, 408093), (474, 272062), (553, 233196), (948, 136031), (1106, 116598), (1659, 77732), (2212, 58299), (3318, 38866), (6636, 19433)]