257476648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{225067}}^1$

素因数の和:225097

約数の個数: 32

約数和(自身を含む): 567171360

約数和(自身を除く): 309694712

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 225067, 450134, 900268, 1800536, 2475737, 2925871, 4951474, 5851742, 9902948, 11703484, 19805896, 23406968, 32184581, 64369162, 128738324, 257476648]

約数ペア:

[(1, 257476648), (2, 128738324), (4, 64369162), (8, 32184581), (11, 23406968), (13, 19805896), (22, 11703484), (26, 9902948), (44, 5851742), (52, 4951474), (88, 2925871), (104, 2475737), (143, 1800536), (286, 900268), (572, 450134), (1144, 225067)]