201880049

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 263353680

約数和(自身を除く): 61473631

約数列:

[1, 7, 17, 29, 49, 61, 119, 137, 203, 427, 493, 833, 959, 1037, 1421, 1769, 2329, 2989, 3451, 3973, 6713, 7259, 8357, 12383, 16303, 24157, 27811, 30073, 50813, 58499, 67541, 86681, 114121, 142069, 194677, 210511, 242353, 409493, 472787, 994483, 1473577, 1696471, 3309509, 4120001, 6961381, 11875297, 28840007, 201880049]

約数ペア:

[(1, 201880049), (7, 28840007), (17, 11875297), (29, 6961381), (49, 4120001), (61, 3309509), (119, 1696471), (137, 1473577), (203, 994483), (427, 472787), (493, 409493), (833, 242353), (959, 210511), (1037, 194677), (1421, 142069), (1769, 114121), (2329, 86681), (2989, 67541), (3451, 58499), (3973, 50813), (6713, 30073), (7259, 27811), (8357, 24157), (12383, 16303)]