199475108

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 424936512

約数和(自身を除く): 225461404

約数列:

[1, 2, 4, 7, 14, 28, 29, 43, 58, 86, 116, 172, 197, 203, 301, 394, 406, 602, 788, 812, 841, 1204, 1247, 1379, 1682, 2494, 2758, 3364, 4988, 5516, 5713, 5887, 8471, 8729, 11426, 11774, 16942, 17458, 22852, 23548, 33884, 34916, 36163, 39991, 59297, 72326, 79982, 118594, 144652, 159964, 165677, 237188, 245659, 253141, 331354, 491318, 506282, 662708, 982636, 1012564, 1159739, 1719613, 2319478, 3439226, 4638956, 6878452, 7124111, 14248222, 28496444, 49868777, 99737554, 199475108]

約数ペア:

[(1, 199475108), (2, 99737554), (4, 49868777), (7, 28496444), (14, 14248222), (28, 7124111), (29, 6878452), (43, 4638956), (58, 3439226), (86, 2319478), (116, 1719613), (172, 1159739), (197, 1012564), (203, 982636), (301, 662708), (394, 506282), (406, 491318), (602, 331354), (788, 253141), (812, 245659), (841, 237188), (1204, 165677), (1247, 159964), (1379, 144652), (1682, 118594), (2494, 79982), (2758, 72326), (3364, 59297), (4988, 39991), (5516, 36163), (5713, 34916), (5887, 33884), (8471, 23548), (8729, 22852), (11426, 17458), (11774, 16942)]