408936715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{797}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 565367040

約数和(自身を除く): 156430325

約数列:

[1, 5, 11, 19, 55, 95, 209, 491, 797, 1045, 2455, 3985, 5401, 8767, 9329, 15143, 27005, 43835, 46645, 75715, 102619, 166573, 391327, 513095, 832865, 1956635, 4304597, 7435213, 21522985, 37176065, 81787343, 408936715]

約数ペア:

[(1, 408936715), (5, 81787343), (11, 37176065), (19, 21522985), (55, 7435213), (95, 4304597), (209, 1956635), (491, 832865), (797, 513095), (1045, 391327), (2455, 166573), (3985, 102619), (5401, 75715), (8767, 46645), (9329, 43835), (15143, 27005)]