28981832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{5399}}^1$

素因数の和:5477

約数の個数: 32

約数和(自身を含む): 60264000

約数和(自身を除く): 31282168

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 5399, 10798, 21596, 43192, 59389, 118778, 237556, 329339, 475112, 658678, 1317356, 2634712, 3622729, 7245458, 14490916, 28981832]

約数ペア:

[(1, 28981832), (2, 14490916), (4, 7245458), (8, 3622729), (11, 2634712), (22, 1317356), (44, 658678), (61, 475112), (88, 329339), (122, 237556), (244, 118778), (488, 59389), (671, 43192), (1342, 21596), (2684, 10798), (5368, 5399)]