28275828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19801}}^1$

素因数の和:19832

約数の個数: 48

約数和(自身を含む): 79841664

約数和(自身を除く): 51565836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 19801, 39602, 59403, 79204, 118806, 138607, 237612, 277214, 336617, 415821, 554428, 673234, 831642, 1009851, 1346468, 1663284, 2019702, 2356319, 4039404, 4712638, 7068957, 9425276, 14137914, 28275828]

約数ペア:

[(1, 28275828), (2, 14137914), (3, 9425276), (4, 7068957), (6, 4712638), (7, 4039404), (12, 2356319), (14, 2019702), (17, 1663284), (21, 1346468), (28, 1009851), (34, 831642), (42, 673234), (51, 554428), (68, 415821), (84, 336617), (102, 277214), (119, 237612), (204, 138607), (238, 118806), (357, 79204), (476, 59403), (714, 39602), (1428, 19801)]