209780348

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 388813824

約数和(自身を除く): 179033476

約数列:

[1, 2, 4, 31, 62, 97, 107, 124, 163, 194, 214, 326, 388, 428, 652, 3007, 3317, 5053, 6014, 6634, 10106, 10379, 12028, 13268, 15811, 17441, 20212, 20758, 31622, 34882, 41516, 63244, 69764, 321749, 490141, 540671, 643498, 980282, 1081342, 1286996, 1691777, 1960564, 2162684, 3383554, 6767108, 52445087, 104890174, 209780348]

約数ペア:

[(1, 209780348), (2, 104890174), (4, 52445087), (31, 6767108), (62, 3383554), (97, 2162684), (107, 1960564), (124, 1691777), (163, 1286996), (194, 1081342), (214, 980282), (326, 643498), (388, 540671), (428, 490141), (652, 321749), (3007, 69764), (3317, 63244), (5053, 41516), (6014, 34882), (6634, 31622), (10106, 20758), (10379, 20212), (12028, 17441), (13268, 15811)]