28639212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{929}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 76661760

約数和(自身を除く): 48022548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 367, 734, 929, 1101, 1468, 1858, 2202, 2569, 2787, 3716, 4404, 5138, 5574, 6503, 7707, 10276, 11148, 13006, 15414, 19509, 26012, 30828, 39018, 78036, 340943, 681886, 1022829, 1363772, 2045658, 2386601, 4091316, 4773202, 7159803, 9546404, 14319606, 28639212]

約数ペア:

[(1, 28639212), (2, 14319606), (3, 9546404), (4, 7159803), (6, 4773202), (7, 4091316), (12, 2386601), (14, 2045658), (21, 1363772), (28, 1022829), (42, 681886), (84, 340943), (367, 78036), (734, 39018), (929, 30828), (1101, 26012), (1468, 19509), (1858, 15414), (2202, 13006), (2569, 11148), (2787, 10276), (3716, 7707), (4404, 6503), (5138, 5574)]