209402572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 395297280

約数和(自身を除く): 185894708

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 151, 257, 284, 302, 514, 604, 1028, 1349, 2698, 2869, 4883, 5396, 5738, 9766, 10721, 11476, 18247, 19532, 21442, 36494, 38807, 42884, 72988, 77614, 155228, 203699, 346693, 407398, 693386, 737333, 814796, 1386772, 1474666, 2755297, 2949332, 5510594, 11021188, 52350643, 104701286, 209402572]

約数ペア:

[(1, 209402572), (2, 104701286), (4, 52350643), (19, 11021188), (38, 5510594), (71, 2949332), (76, 2755297), (142, 1474666), (151, 1386772), (257, 814796), (284, 737333), (302, 693386), (514, 407398), (604, 346693), (1028, 203699), (1349, 155228), (2698, 77614), (2869, 72988), (4883, 42884), (5396, 38807), (5738, 36494), (9766, 21442), (10721, 19532), (11476, 18247)]