1388331256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{122471}}^1$

素因数の和:122599

約数の個数: 32

約数和(自身を含む): 2829103200

約数和(自身を除く): 1440771944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 2834, 5668, 11336, 122471, 244942, 489884, 979768, 1592123, 3184246, 6368492, 12736984, 13349339, 26698678, 53397356, 106794712, 173541407, 347082814, 694165628, 1388331256]

約数ペア:

[(1, 1388331256), (2, 694165628), (4, 347082814), (8, 173541407), (13, 106794712), (26, 53397356), (52, 26698678), (104, 13349339), (109, 12736984), (218, 6368492), (436, 3184246), (872, 1592123), (1417, 979768), (2834, 489884), (5668, 244942), (11336, 122471)]