1287667030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{17783}}^1$

素因数の和:18360

約数の個数: 32

約数和(自身を含む): 2500714944

約数和(自身を除く): 1213047914

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 557, 1114, 2785, 5570, 7241, 14482, 17783, 35566, 36205, 72410, 88915, 177830, 231179, 462358, 1155895, 2311790, 9905131, 19810262, 49525655, 99051310, 128766703, 257533406, 643833515, 1287667030]

約数ペア:

[(1, 1287667030), (2, 643833515), (5, 257533406), (10, 128766703), (13, 99051310), (26, 49525655), (65, 19810262), (130, 9905131), (557, 2311790), (1114, 1155895), (2785, 462358), (5570, 231179), (7241, 177830), (14482, 88915), (17783, 72410), (35566, 36205)]