388701628

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{105971}}^1$

素因数の和:106113

約数の個数: 24

約数和(自身を含む): 783345024

約数和(自身を除く): 394643396

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 105971, 211942, 423884, 741797, 1483594, 2967188, 13882201, 27764402, 55528804, 97175407, 194350814, 388701628]

約数ペア:

[(1, 388701628), (2, 194350814), (4, 97175407), (7, 55528804), (14, 27764402), (28, 13882201), (131, 2967188), (262, 1483594), (524, 741797), (917, 423884), (1834, 211942), (3668, 105971)]