16940868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 47037312

約数和(自身を除く): 30096444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 294, 329, 564, 588, 613, 658, 987, 1226, 1316, 1839, 1974, 2303, 2452, 3678, 3948, 4291, 4606, 6909, 7356, 8582, 9212, 12873, 13818, 17164, 25746, 27636, 28811, 30037, 51492, 57622, 60074, 86433, 90111, 115244, 120148, 172866, 180222, 201677, 345732, 360444, 403354, 605031, 806708, 1210062, 1411739, 2420124, 2823478, 4235217, 5646956, 8470434, 16940868]

約数ペア:

[(1, 16940868), (2, 8470434), (3, 5646956), (4, 4235217), (6, 2823478), (7, 2420124), (12, 1411739), (14, 1210062), (21, 806708), (28, 605031), (42, 403354), (47, 360444), (49, 345732), (84, 201677), (94, 180222), (98, 172866), (141, 120148), (147, 115244), (188, 90111), (196, 86433), (282, 60074), (294, 57622), (329, 51492), (564, 30037), (588, 28811), (613, 27636), (658, 25746), (987, 17164), (1226, 13818), (1316, 12873), (1839, 9212), (1974, 8582), (2303, 7356), (2452, 6909), (3678, 4606), (3948, 4291)]