4978988

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 10752000

約数和(自身を除く): 5773012

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 191, 196, 266, 343, 382, 532, 686, 764, 931, 1337, 1372, 1862, 2674, 3629, 3724, 5348, 6517, 7258, 9359, 13034, 14516, 18718, 25403, 26068, 37436, 50806, 65513, 101612, 131026, 177821, 262052, 355642, 711284, 1244747, 2489494, 4978988]

約数ペア:

[(1, 4978988), (2, 2489494), (4, 1244747), (7, 711284), (14, 355642), (19, 262052), (28, 177821), (38, 131026), (49, 101612), (76, 65513), (98, 50806), (133, 37436), (191, 26068), (196, 25403), (266, 18718), (343, 14516), (382, 13034), (532, 9359), (686, 7258), (764, 6517), (931, 5348), (1337, 3724), (1372, 3629), (1862, 2674)]