402474904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{18341}}^1$

素因数の和:18571

約数の個数: 32

約数和(自身を含む): 816585840

約数和(自身を除く): 414110936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211, 422, 844, 1688, 2743, 5486, 10972, 18341, 21944, 36682, 73364, 146728, 238433, 476866, 953732, 1907464, 3869951, 7739902, 15479804, 30959608, 50309363, 100618726, 201237452, 402474904]

約数ペア:

[(1, 402474904), (2, 201237452), (4, 100618726), (8, 50309363), (13, 30959608), (26, 15479804), (52, 7739902), (104, 3869951), (211, 1907464), (422, 953732), (844, 476866), (1688, 238433), (2743, 146728), (5486, 73364), (10972, 36682), (18341, 21944)]