68374988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 135717120

約数和(自身を除く): 67342132

約数列:

[1, 2, 4, 11, 22, 43, 44, 71, 86, 142, 172, 284, 473, 509, 781, 946, 1018, 1562, 1892, 2036, 3053, 3124, 5599, 6106, 11198, 12212, 21887, 22396, 33583, 36139, 43774, 67166, 72278, 87548, 134332, 144556, 240757, 397529, 481514, 795058, 963028, 1553977, 1590116, 3107954, 6215908, 17093747, 34187494, 68374988]

約数ペア:

[(1, 68374988), (2, 34187494), (4, 17093747), (11, 6215908), (22, 3107954), (43, 1590116), (44, 1553977), (71, 963028), (86, 795058), (142, 481514), (172, 397529), (284, 240757), (473, 144556), (509, 134332), (781, 87548), (946, 72278), (1018, 67166), (1562, 43774), (1892, 36139), (2036, 33583), (3053, 22396), (3124, 21887), (5599, 12212), (6106, 11198)]