128674688

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 272360400

約数和(自身を除く): 143685712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 157, 304, 314, 337, 608, 628, 674, 1216, 1256, 1348, 2432, 2512, 2696, 2983, 5024, 5392, 5966, 6403, 10048, 10784, 11932, 12806, 20096, 21568, 23864, 25612, 43136, 47728, 51224, 52909, 95456, 102448, 105818, 190912, 204896, 211636, 381824, 409792, 423272, 819584, 846544, 1005271, 1693088, 2010542, 3386176, 4021084, 6772352, 8042168, 16084336, 32168672, 64337344, 128674688]

約数ペア:

[(1, 128674688), (2, 64337344), (4, 32168672), (8, 16084336), (16, 8042168), (19, 6772352), (32, 4021084), (38, 3386176), (64, 2010542), (76, 1693088), (128, 1005271), (152, 846544), (157, 819584), (304, 423272), (314, 409792), (337, 381824), (608, 211636), (628, 204896), (674, 190912), (1216, 105818), (1256, 102448), (1348, 95456), (2432, 52909), (2512, 51224), (2696, 47728), (2983, 43136), (5024, 25612), (5392, 23864), (5966, 21568), (6403, 20096), (10048, 12806), (10784, 11932)]