25138100572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^2\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 48298602240

約数和(自身を除く): 23160501668

約数列:

[1, 2, 4, 13, 26, 52, 97, 191, 194, 269, 382, 388, 538, 764, 1076, 1261, 2483, 2522, 3497, 4966, 5044, 6994, 9409, 9932, 13988, 18527, 18818, 26093, 37054, 37636, 51379, 52186, 74108, 102758, 104372, 122317, 205516, 240851, 244634, 339209, 481702, 489268, 667927, 678418, 963404, 1335854, 1356836, 1797119, 2531021, 2671708, 3594238, 4983763, 5062042, 7188476, 9967526, 10124084, 19935052, 23362547, 32903273, 46725094, 64788919, 65806546, 93450188, 129577838, 131613092, 259155676, 483425011, 966850022, 1933700044, 6284525143, 12569050286, 25138100572]

約数ペア:

[(1, 25138100572), (2, 12569050286), (4, 6284525143), (13, 1933700044), (26, 966850022), (52, 483425011), (97, 259155676), (191, 131613092), (194, 129577838), (269, 93450188), (382, 65806546), (388, 64788919), (538, 46725094), (764, 32903273), (1076, 23362547), (1261, 19935052), (2483, 10124084), (2522, 9967526), (3497, 7188476), (4966, 5062042), (5044, 4983763), (6994, 3594238), (9409, 2671708), (9932, 2531021), (13988, 1797119), (18527, 1356836), (18818, 1335854), (26093, 963404), (37054, 678418), (37636, 667927), (51379, 489268), (52186, 481702), (74108, 339209), (102758, 244634), (104372, 240851), (122317, 205516)]