311987988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{11299}}^1$

素因数の和:11381

約数の個数: 72

約数和(自身を含む): 863772000

約数和(自身を除く): 551784012

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 59, 78, 117, 118, 156, 177, 234, 236, 354, 468, 531, 708, 767, 1062, 1534, 2124, 2301, 3068, 4602, 6903, 9204, 11299, 13806, 22598, 27612, 33897, 45196, 67794, 101691, 135588, 146887, 203382, 293774, 406764, 440661, 587548, 666641, 881322, 1321983, 1333282, 1762644, 1999923, 2643966, 2666564, 3999846, 5287932, 5999769, 7999692, 8666333, 11999538, 17332666, 23999076, 25998999, 34665332, 51997998, 77996997, 103995996, 155993994, 311987988]

約数ペア:

[(1, 311987988), (2, 155993994), (3, 103995996), (4, 77996997), (6, 51997998), (9, 34665332), (12, 25998999), (13, 23999076), (18, 17332666), (26, 11999538), (36, 8666333), (39, 7999692), (52, 5999769), (59, 5287932), (78, 3999846), (117, 2666564), (118, 2643966), (156, 1999923), (177, 1762644), (234, 1333282), (236, 1321983), (354, 881322), (468, 666641), (531, 587548), (708, 440661), (767, 406764), (1062, 293774), (1534, 203382), (2124, 146887), (2301, 135588), (3068, 101691), (4602, 67794), (6903, 45196), (9204, 33897), (11299, 27612), (13806, 22598)]