128976918

素因数分解:

$2^1\times 3^1\times 7^5\times {\mathrm{1279}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 301178880

約数和(自身を除く): 172201962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1279, 2058, 2401, 2558, 3837, 4802, 7203, 7674, 8953, 14406, 16807, 17906, 26859, 33614, 50421, 53718, 62671, 100842, 125342, 188013, 376026, 438697, 877394, 1316091, 2632182, 3070879, 6141758, 9212637, 18425274, 21496153, 42992306, 64488459, 128976918]

約数ペア:

[(1, 128976918), (2, 64488459), (3, 42992306), (6, 21496153), (7, 18425274), (14, 9212637), (21, 6141758), (42, 3070879), (49, 2632182), (98, 1316091), (147, 877394), (294, 438697), (343, 376026), (686, 188013), (1029, 125342), (1279, 100842), (2058, 62671), (2401, 53718), (2558, 50421), (3837, 33614), (4802, 26859), (7203, 17906), (7674, 16807), (8953, 14406)]