128951416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21871}}^1$

素因数の和:21955

約数の個数: 32

約数和(自身を含む): 267713280

約数和(自身を除く): 138761864

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 5896, 21871, 43742, 87484, 174968, 240581, 481162, 962324, 1465357, 1924648, 2930714, 5861428, 11722856, 16118927, 32237854, 64475708, 128951416]

約数ペア:

[(1, 128951416), (2, 64475708), (4, 32237854), (8, 16118927), (11, 11722856), (22, 5861428), (44, 2930714), (67, 1924648), (88, 1465357), (134, 962324), (268, 481162), (536, 240581), (737, 174968), (1474, 87484), (2948, 43742), (5896, 21871)]