878633964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{43661}}^1$

素因数の和:43727

約数の個数: 72

約数和(自身を含む): 2447517072

約数和(自身を除く): 1568883108

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, 10062, 20124, 43661, 87322, 130983, 174644, 261966, 392949, 523932, 567593, 785898, 1135186, 1571796, 1702779, 1877423, 2270372, 3405558, 3754846, 5108337, 5632269, 6811116, 7509692, 10216674, 11264538, 16896807, 20433348, 22529076, 24406499, 33793614, 48812998, 67587228, 73219497, 97625996, 146438994, 219658491, 292877988, 439316982, 878633964]

約数ペア:

[(1, 878633964), (2, 439316982), (3, 292877988), (4, 219658491), (6, 146438994), (9, 97625996), (12, 73219497), (13, 67587228), (18, 48812998), (26, 33793614), (36, 24406499), (39, 22529076), (43, 20433348), (52, 16896807), (78, 11264538), (86, 10216674), (117, 7509692), (129, 6811116), (156, 5632269), (172, 5108337), (234, 3754846), (258, 3405558), (387, 2270372), (468, 1877423), (516, 1702779), (559, 1571796), (774, 1135186), (1118, 785898), (1548, 567593), (1677, 523932), (2236, 392949), (3354, 261966), (5031, 174644), (6708, 130983), (10062, 87322), (20124, 43661)]