254997444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 672157696

約数和(自身を除く): 417160252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 67, 78, 93, 124, 134, 156, 186, 201, 268, 372, 402, 403, 787, 804, 806, 871, 1209, 1574, 1612, 1742, 2077, 2361, 2418, 2613, 3148, 3484, 4154, 4722, 4836, 5226, 6231, 8308, 9444, 10231, 10452, 12462, 20462, 24397, 24924, 27001, 30693, 40924, 48794, 52729, 54002, 61386, 73191, 81003, 97588, 105458, 108004, 122772, 146382, 158187, 162006, 210916, 292764, 316374, 317161, 324012, 632748, 634322, 685477, 951483, 1268644, 1370954, 1634599, 1902966, 2056431, 2741908, 3269198, 3805932, 4112862, 4903797, 6538396, 8225724, 9807594, 19615188, 21249787, 42499574, 63749361, 84999148, 127498722, 254997444]

約数ペア:

[(1, 254997444), (2, 127498722), (3, 84999148), (4, 63749361), (6, 42499574), (12, 21249787), (13, 19615188), (26, 9807594), (31, 8225724), (39, 6538396), (52, 4903797), (62, 4112862), (67, 3805932), (78, 3269198), (93, 2741908), (124, 2056431), (134, 1902966), (156, 1634599), (186, 1370954), (201, 1268644), (268, 951483), (372, 685477), (402, 634322), (403, 632748), (787, 324012), (804, 317161), (806, 316374), (871, 292764), (1209, 210916), (1574, 162006), (1612, 158187), (1742, 146382), (2077, 122772), (2361, 108004), (2418, 105458), (2613, 97588), (3148, 81003), (3484, 73191), (4154, 61386), (4722, 54002), (4836, 52729), (5226, 48794), (6231, 40924), (8308, 30693), (9444, 27001), (10231, 24924), (10452, 24397), (12462, 20462)]