213498428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5113}}^1$

素因数の和:5214

約数の個数: 48

約数和(自身を含む): 445040736

約数和(自身を除く): 231542308

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 73, 143, 146, 286, 292, 572, 803, 949, 1606, 1898, 3212, 3796, 5113, 10226, 10439, 20452, 20878, 41756, 56243, 66469, 112486, 132938, 224972, 265876, 373249, 731159, 746498, 1462318, 1492996, 2924636, 4105739, 4852237, 8211478, 9704474, 16422956, 19408948, 53374607, 106749214, 213498428]

約数ペア:

[(1, 213498428), (2, 106749214), (4, 53374607), (11, 19408948), (13, 16422956), (22, 9704474), (26, 8211478), (44, 4852237), (52, 4105739), (73, 2924636), (143, 1492996), (146, 1462318), (286, 746498), (292, 731159), (572, 373249), (803, 265876), (949, 224972), (1606, 132938), (1898, 112486), (3212, 66469), (3796, 56243), (5113, 41756), (10226, 20878), (10439, 20452)]