1220409406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{2791}}^1$

素因数の和:3160

約数の個数: 32

約数和(自身を含む): 1986117120

約数和(自身を除く): 765707714

約数列:

[1, 2, 19, 37, 38, 74, 311, 622, 703, 1406, 2791, 5582, 5909, 11507, 11818, 23014, 53029, 103267, 106058, 206534, 218633, 437266, 868001, 1736002, 1962073, 3924146, 16492019, 32116037, 32984038, 64232074, 610204703, 1220409406]

約数ペア:

[(1, 1220409406), (2, 610204703), (19, 64232074), (37, 32984038), (38, 32116037), (74, 16492019), (311, 3924146), (622, 1962073), (703, 1736002), (1406, 868001), (2791, 437266), (5582, 218633), (5909, 206534), (11507, 106058), (11818, 103267), (23014, 53029)]