261104128

素因数分解:

$2^9\times {\mathrm{113}}^1\times {\mathrm{4513}}^1$

素因数の和:4644

約数の個数: 40

約数和(自身を含む): 526431708

約数和(自身を除く): 265327580

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 512, 904, 1808, 3616, 4513, 7232, 9026, 14464, 18052, 28928, 36104, 57856, 72208, 144416, 288832, 509969, 577664, 1019938, 1155328, 2039876, 2310656, 4079752, 8159504, 16319008, 32638016, 65276032, 130552064, 261104128]

約数ペア:

[(1, 261104128), (2, 130552064), (4, 65276032), (8, 32638016), (16, 16319008), (32, 8159504), (64, 4079752), (113, 2310656), (128, 2039876), (226, 1155328), (256, 1019938), (452, 577664), (512, 509969), (904, 288832), (1808, 144416), (3616, 72208), (4513, 57856), (7232, 36104), (9026, 28928), (14464, 18052)]