28880916

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 70761600

約数和(自身を除く): 41880684

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 269, 276, 389, 538, 778, 807, 1076, 1167, 1556, 1614, 2334, 3228, 4668, 6187, 8947, 12374, 17894, 18561, 24748, 26841, 35788, 37122, 53682, 74244, 104641, 107364, 209282, 313923, 418564, 627846, 1255692, 2406743, 4813486, 7220229, 9626972, 14440458, 28880916]

約数ペア:

[(1, 28880916), (2, 14440458), (3, 9626972), (4, 7220229), (6, 4813486), (12, 2406743), (23, 1255692), (46, 627846), (69, 418564), (92, 313923), (138, 209282), (269, 107364), (276, 104641), (389, 74244), (538, 53682), (778, 37122), (807, 35788), (1076, 26841), (1167, 24748), (1556, 18561), (1614, 17894), (2334, 12374), (3228, 8947), (4668, 6187)]