201818968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{541}}^1$

素因数の和:788

約数の個数: 64

約数和(自身を含む): 434337120

約数和(自身を除く): 232518152

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 211, 221, 422, 442, 541, 844, 884, 1082, 1688, 1768, 2164, 2743, 3587, 4328, 5486, 7033, 7174, 9197, 10972, 14066, 14348, 18394, 21944, 28132, 28696, 36788, 46631, 56264, 73576, 93262, 114151, 119561, 186524, 228302, 239122, 373048, 456604, 478244, 913208, 956488, 1483963, 1940567, 2967926, 3881134, 5935852, 7762268, 11871704, 15524536, 25227371, 50454742, 100909484, 201818968]

約数ペア:

[(1, 201818968), (2, 100909484), (4, 50454742), (8, 25227371), (13, 15524536), (17, 11871704), (26, 7762268), (34, 5935852), (52, 3881134), (68, 2967926), (104, 1940567), (136, 1483963), (211, 956488), (221, 913208), (422, 478244), (442, 456604), (541, 373048), (844, 239122), (884, 228302), (1082, 186524), (1688, 119561), (1768, 114151), (2164, 93262), (2743, 73576), (3587, 56264), (4328, 46631), (5486, 36788), (7033, 28696), (7174, 28132), (9197, 21944), (10972, 18394), (14066, 14348)]