133668128

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{761}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 288036000

約数和(自身を除く): 154367872

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 499, 761, 998, 1522, 1996, 3044, 3992, 5489, 6088, 7984, 8371, 10978, 12176, 15968, 16742, 21956, 24352, 33484, 43912, 66968, 87824, 133936, 175648, 267872, 379739, 759478, 1518956, 3037912, 4177129, 6075824, 8354258, 12151648, 16708516, 33417032, 66834064, 133668128]

約数ペア:

[(1, 133668128), (2, 66834064), (4, 33417032), (8, 16708516), (11, 12151648), (16, 8354258), (22, 6075824), (32, 4177129), (44, 3037912), (88, 1518956), (176, 759478), (352, 379739), (499, 267872), (761, 175648), (998, 133936), (1522, 87824), (1996, 66968), (3044, 43912), (3992, 33484), (5489, 24352), (6088, 21956), (7984, 16742), (8371, 15968), (10978, 12176)]