1291222064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{386131}}^1$

素因数の和:386169

約数の個数: 40

約数和(自身を含む): 2872822080

約数和(自身を除く): 1581600016

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 386131, 772262, 1544524, 3089048, 4247441, 6178096, 7336489, 8494882, 14672978, 16989764, 29345956, 33979528, 58691912, 67959056, 80701379, 117383824, 161402758, 322805516, 645611032, 1291222064]

約数ペア:

[(1, 1291222064), (2, 645611032), (4, 322805516), (8, 161402758), (11, 117383824), (16, 80701379), (19, 67959056), (22, 58691912), (38, 33979528), (44, 29345956), (76, 16989764), (88, 14672978), (152, 8494882), (176, 7336489), (209, 6178096), (304, 4247441), (418, 3089048), (836, 1544524), (1672, 772262), (3344, 386131)]