128359408

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:665

約数の個数: 40

約数和(自身を含む): 252761600

約数和(自身を除く): 124402192

約数列:

[1, 2, 4, 8, 16, 127, 181, 254, 349, 362, 508, 698, 724, 1016, 1396, 1448, 2032, 2792, 2896, 5584, 22987, 44323, 45974, 63169, 88646, 91948, 126338, 177292, 183896, 252676, 354584, 367792, 505352, 709168, 1010704, 8022463, 16044926, 32089852, 64179704, 128359408]

約数ペア:

[(1, 128359408), (2, 64179704), (4, 32089852), (8, 16044926), (16, 8022463), (127, 1010704), (181, 709168), (254, 505352), (349, 367792), (362, 354584), (508, 252676), (698, 183896), (724, 177292), (1016, 126338), (1396, 91948), (1448, 88646), (2032, 63169), (2792, 45974), (2896, 44323), (5584, 22987)]