128170784

素因数分解:

$2^5\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1399}}^1$

素因数の和:1825

約数の個数: 48

約数和(自身を含む): 289296000

約数和(自身を除く): 161125216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 409, 818, 1399, 1636, 2798, 2863, 3272, 5596, 5726, 6544, 9793, 11192, 11452, 13088, 19586, 22384, 22904, 39172, 44768, 45808, 78344, 91616, 156688, 313376, 572191, 1144382, 2288764, 4005337, 4577528, 8010674, 9155056, 16021348, 18310112, 32042696, 64085392, 128170784]

約数ペア:

[(1, 128170784), (2, 64085392), (4, 32042696), (7, 18310112), (8, 16021348), (14, 9155056), (16, 8010674), (28, 4577528), (32, 4005337), (56, 2288764), (112, 1144382), (224, 572191), (409, 313376), (818, 156688), (1399, 91616), (1636, 78344), (2798, 45808), (2863, 44768), (3272, 39172), (5596, 22904), (5726, 22384), (6544, 19586), (9793, 13088), (11192, 11452)]