1291367528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{772349}}^1$

素因数の和:772385

約数の個数: 32

約数和(自身を含む): 2780460000

約数和(自身を除く): 1489092472

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 772349, 1544698, 3089396, 6178792, 8495839, 14674631, 16991678, 29349262, 33983356, 58698524, 67966712, 117397048, 161420941, 322841882, 645683764, 1291367528]

約数ペア:

[(1, 1291367528), (2, 645683764), (4, 322841882), (8, 161420941), (11, 117397048), (19, 67966712), (22, 58698524), (38, 33983356), (44, 29349262), (76, 16991678), (88, 14674631), (152, 8495839), (209, 6178792), (418, 3089396), (836, 1544698), (1672, 772349)]