168779988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8387}}^1$

素因数の和:8453

約数の個数: 72

約数和(自身を含む): 470197728

約数和(自身を除く): 301417740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6708, 8387, 10062, 16774, 20124, 25161, 33548, 50322, 75483, 100644, 109031, 150966, 218062, 301932, 327093, 360641, 436124, 654186, 721282, 981279, 1081923, 1308372, 1442564, 1962558, 2163846, 3245769, 3925116, 4327692, 4688333, 6491538, 9376666, 12983076, 14064999, 18753332, 28129998, 42194997, 56259996, 84389994, 168779988]

約数ペア:

[(1, 168779988), (2, 84389994), (3, 56259996), (4, 42194997), (6, 28129998), (9, 18753332), (12, 14064999), (13, 12983076), (18, 9376666), (26, 6491538), (36, 4688333), (39, 4327692), (43, 3925116), (52, 3245769), (78, 2163846), (86, 1962558), (117, 1442564), (129, 1308372), (156, 1081923), (172, 981279), (234, 721282), (258, 654186), (387, 436124), (468, 360641), (516, 327093), (559, 301932), (774, 218062), (1118, 150966), (1548, 109031), (1677, 100644), (2236, 75483), (3354, 50322), (5031, 33548), (6708, 25161), (8387, 20124), (10062, 16774)]