31683990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 82627776

約数和(自身を除く): 50943786

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 137, 195, 274, 390, 411, 593, 685, 822, 1186, 1370, 1779, 1781, 2055, 2965, 3558, 3562, 4110, 5343, 5930, 7709, 8895, 8905, 10686, 15418, 17790, 17810, 23127, 26715, 38545, 46254, 53430, 77090, 81241, 115635, 162482, 231270, 243723, 406205, 487446, 812410, 1056133, 1218615, 2112266, 2437230, 3168399, 5280665, 6336798, 10561330, 15841995, 31683990]

約数ペア:

[(1, 31683990), (2, 15841995), (3, 10561330), (5, 6336798), (6, 5280665), (10, 3168399), (13, 2437230), (15, 2112266), (26, 1218615), (30, 1056133), (39, 812410), (65, 487446), (78, 406205), (130, 243723), (137, 231270), (195, 162482), (274, 115635), (390, 81241), (411, 77090), (593, 53430), (685, 46254), (822, 38545), (1186, 26715), (1370, 23127), (1779, 17810), (1781, 17790), (2055, 15418), (2965, 10686), (3558, 8905), (3562, 8895), (4110, 7709), (5343, 5930)]