203430968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 421031520

約数和(自身を除く): 217600552

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 107, 181, 202, 214, 362, 404, 428, 724, 808, 856, 1313, 1391, 1448, 2353, 2626, 2782, 4706, 5252, 5564, 9412, 10504, 10807, 11128, 18281, 18824, 19367, 21614, 36562, 38734, 43228, 73124, 77468, 86456, 140491, 146248, 154936, 237653, 251771, 280982, 475306, 503542, 561964, 950612, 1007084, 1123928, 1901224, 1956067, 2014168, 3912134, 7824268, 15648536, 25428871, 50857742, 101715484, 203430968]

約数ペア:

[(1, 203430968), (2, 101715484), (4, 50857742), (8, 25428871), (13, 15648536), (26, 7824268), (52, 3912134), (101, 2014168), (104, 1956067), (107, 1901224), (181, 1123928), (202, 1007084), (214, 950612), (362, 561964), (404, 503542), (428, 475306), (724, 280982), (808, 251771), (856, 237653), (1313, 154936), (1391, 146248), (1448, 140491), (2353, 86456), (2626, 77468), (2782, 73124), (4706, 43228), (5252, 38734), (5564, 36562), (9412, 21614), (10504, 19367), (10807, 18824), (11128, 18281)]