208728364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 405172768

約数和(自身を除く): 196444404

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 277, 337, 554, 559, 674, 1108, 1118, 1348, 2236, 3601, 4381, 7202, 8762, 11911, 14404, 14491, 17524, 23822, 28982, 47644, 57964, 93349, 154843, 186698, 188383, 309686, 373396, 376766, 619372, 753532, 1213537, 2427074, 4014007, 4854148, 8028014, 16056028, 52182091, 104364182, 208728364]

約数ペア:

[(1, 208728364), (2, 104364182), (4, 52182091), (13, 16056028), (26, 8028014), (43, 4854148), (52, 4014007), (86, 2427074), (172, 1213537), (277, 753532), (337, 619372), (554, 376766), (559, 373396), (674, 309686), (1108, 188383), (1118, 186698), (1348, 154843), (2236, 93349), (3601, 57964), (4381, 47644), (7202, 28982), (8762, 23822), (11911, 17524), (14404, 14491)]