64351690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6781}}^1$

素因数の和:6874

約数の個数: 32

約数和(自身を含む): 126470736

約数和(自身を除く): 62119046

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 6781, 9490, 13562, 33905, 67810, 88153, 176306, 440765, 495013, 881530, 990026, 2475065, 4950130, 6435169, 12870338, 32175845, 64351690]

約数ペア:

[(1, 64351690), (2, 32175845), (5, 12870338), (10, 6435169), (13, 4950130), (26, 2475065), (65, 990026), (73, 881530), (130, 495013), (146, 440765), (365, 176306), (730, 88153), (949, 67810), (1898, 33905), (4745, 13562), (6781, 9490)]