249958225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 361691136

約数和(自身を除く): 111732911

約数列:

[1, 5, 11, 17, 25, 55, 85, 127, 187, 275, 421, 425, 635, 935, 1397, 2105, 2159, 3175, 4631, 4675, 6985, 7157, 10525, 10795, 23155, 23749, 34925, 35785, 53467, 53975, 78727, 115775, 118745, 178925, 267335, 393635, 588137, 593725, 908939, 1336675, 1968175, 2940685, 4544695, 9998329, 14703425, 22723475, 49991645, 249958225]

約数ペア:

[(1, 249958225), (5, 49991645), (11, 22723475), (17, 14703425), (25, 9998329), (55, 4544695), (85, 2940685), (127, 1968175), (187, 1336675), (275, 908939), (421, 593725), (425, 588137), (635, 393635), (935, 267335), (1397, 178925), (2105, 118745), (2159, 115775), (3175, 78727), (4631, 53975), (4675, 53467), (6985, 35785), (7157, 34925), (10525, 23749), (10795, 23155)]