290460872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{64951}}^1$

素因数の和:65013

約数の個数: 32

約数和(自身を含む): 600156480

約数和(自身を除く): 309695608

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 64951, 129902, 259804, 519608, 844363, 1688726, 2792893, 3377452, 5585786, 6754904, 11171572, 22343144, 36307609, 72615218, 145230436, 290460872]

約数ペア:

[(1, 290460872), (2, 145230436), (4, 72615218), (8, 36307609), (13, 22343144), (26, 11171572), (43, 6754904), (52, 5585786), (86, 3377452), (104, 2792893), (172, 1688726), (344, 844363), (559, 519608), (1118, 259804), (2236, 129902), (4472, 64951)]