1640753816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{830341}}^1$

素因数の和:830379

約数の個数: 32

約数和(自身を含む): 3487436400

約数和(自身を除く): 1846682584

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 830341, 1660682, 3321364, 6642728, 10794433, 15776479, 21588866, 31552958, 43177732, 63105916, 86355464, 126211832, 205094227, 410188454, 820376908, 1640753816]

約数ペア:

[(1, 1640753816), (2, 820376908), (4, 410188454), (8, 205094227), (13, 126211832), (19, 86355464), (26, 63105916), (38, 43177732), (52, 31552958), (76, 21588866), (104, 15776479), (152, 10794433), (247, 6642728), (494, 3321364), (988, 1660682), (1976, 830341)]