661542332

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{977}}^1\times {\mathrm{1399}}^1$

素因数の和:2402

約数の個数: 36

約数和(自身を含む): 1274725200

約数和(自身を除く): 613182868

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 977, 1399, 1954, 2798, 3908, 5596, 10747, 15389, 21494, 30778, 42988, 61556, 118217, 169279, 236434, 338558, 472868, 677116, 1366823, 2733646, 5467292, 15035053, 30070106, 60140212, 165385583, 330771166, 661542332]

約数ペア:

[(1, 661542332), (2, 330771166), (4, 165385583), (11, 60140212), (22, 30070106), (44, 15035053), (121, 5467292), (242, 2733646), (484, 1366823), (977, 677116), (1399, 472868), (1954, 338558), (2798, 236434), (3908, 169279), (5596, 118217), (10747, 61556), (15389, 42988), (21494, 30778)]