865863290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{27479}}^1$

素因数の和:27646

約数の個数: 32

約数和(自身を含む): 1638247680

約数和(自身を除く): 772384390

約数列:

[1, 2, 5, 10, 23, 46, 115, 137, 230, 274, 685, 1370, 3151, 6302, 15755, 27479, 31510, 54958, 137395, 274790, 632017, 1264034, 3160085, 3764623, 6320170, 7529246, 18823115, 37646230, 86586329, 173172658, 432931645, 865863290]

約数ペア:

[(1, 865863290), (2, 432931645), (5, 173172658), (10, 86586329), (23, 37646230), (46, 18823115), (115, 7529246), (137, 6320170), (230, 3764623), (274, 3160085), (685, 1264034), (1370, 632017), (3151, 274790), (6302, 137395), (15755, 54958), (27479, 31510)]