280428786

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{8689}}^1$

素因数の和:8871

約数の個数: 48

約数和(自身を含む): 666974880

約数和(自身を除く): 386546094

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 163, 198, 326, 489, 978, 1467, 1793, 2934, 3586, 5379, 8689, 10758, 16137, 17378, 26067, 32274, 52134, 78201, 95579, 156402, 191158, 286737, 573474, 860211, 1416307, 1720422, 2832614, 4248921, 8497842, 12746763, 15579377, 25493526, 31158754, 46738131, 93476262, 140214393, 280428786]

約数ペア:

[(1, 280428786), (2, 140214393), (3, 93476262), (6, 46738131), (9, 31158754), (11, 25493526), (18, 15579377), (22, 12746763), (33, 8497842), (66, 4248921), (99, 2832614), (163, 1720422), (198, 1416307), (326, 860211), (489, 573474), (978, 286737), (1467, 191158), (1793, 156402), (2934, 95579), (3586, 78201), (5379, 52134), (8689, 32274), (10758, 26067), (16137, 17378)]