408048290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{136471}}^1$

素因数の和:136514

約数の個数: 32

約数和(自身を含む): 825382656

約数和(自身を除く): 417334366

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 136471, 272942, 682355, 1364710, 1774123, 3138833, 3548246, 6277666, 8870615, 15694165, 17741230, 31388330, 40804829, 81609658, 204024145, 408048290]

約数ペア:

[(1, 408048290), (2, 204024145), (5, 81609658), (10, 40804829), (13, 31388330), (23, 17741230), (26, 15694165), (46, 8870615), (65, 6277666), (115, 3548246), (130, 3138833), (230, 1774123), (299, 1364710), (598, 682355), (1495, 272942), (2990, 136471)]