1388643608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{235523}}^1$

素因数の和:235607

約数の個数: 32

約数和(自身を含む): 2882813760

約数和(自身を除く): 1494170152

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 5896, 235523, 471046, 942092, 1884184, 2590753, 5181506, 10363012, 15780041, 20726024, 31560082, 63120164, 126240328, 173580451, 347160902, 694321804, 1388643608]

約数ペア:

[(1, 1388643608), (2, 694321804), (4, 347160902), (8, 173580451), (11, 126240328), (22, 63120164), (44, 31560082), (67, 20726024), (88, 15780041), (134, 10363012), (268, 5181506), (536, 2590753), (737, 1884184), (1474, 942092), (2948, 471046), (5896, 235523)]