815268194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 1383971904

約数和(自身を除く): 568703710

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 403, 487, 806, 871, 961, 974, 1742, 1922, 2077, 4154, 6331, 12493, 12662, 15097, 24986, 27001, 30194, 32629, 54002, 64387, 65258, 128774, 196261, 392522, 424177, 468007, 837031, 848354, 936014, 1011499, 1674062, 2022998, 6084091, 12168182, 13149487, 26298974, 31356469, 62712938, 407634097, 815268194]

約数ペア:

[(1, 815268194), (2, 407634097), (13, 62712938), (26, 31356469), (31, 26298974), (62, 13149487), (67, 12168182), (134, 6084091), (403, 2022998), (487, 1674062), (806, 1011499), (871, 936014), (961, 848354), (974, 837031), (1742, 468007), (1922, 424177), (2077, 392522), (4154, 196261), (6331, 128774), (12493, 65258), (12662, 64387), (15097, 54002), (24986, 32629), (27001, 30194)]