213220696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 444165120

約数和(自身を除く): 230944424

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 101, 104, 106, 202, 212, 383, 404, 424, 689, 766, 808, 1313, 1378, 1532, 2626, 2756, 3064, 4979, 5252, 5353, 5512, 9958, 10504, 10706, 19916, 20299, 21412, 38683, 39832, 40598, 42824, 69589, 77366, 81196, 139178, 154732, 162392, 263887, 278356, 309464, 502879, 527774, 556712, 1005758, 1055548, 2011516, 2050199, 2111096, 4023032, 4100398, 8200796, 16401592, 26652587, 53305174, 106610348, 213220696]

約数ペア:

[(1, 213220696), (2, 106610348), (4, 53305174), (8, 26652587), (13, 16401592), (26, 8200796), (52, 4100398), (53, 4023032), (101, 2111096), (104, 2050199), (106, 2011516), (202, 1055548), (212, 1005758), (383, 556712), (404, 527774), (424, 502879), (689, 309464), (766, 278356), (808, 263887), (1313, 162392), (1378, 154732), (1532, 139178), (2626, 81196), (2756, 77366), (3064, 69589), (4979, 42824), (5252, 40598), (5353, 39832), (5512, 38683), (9958, 21412), (10504, 20299), (10706, 19916)]