7904286

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2025

約数の個数: 48

約数和(自身を含む): 19538064

約数和(自身を除く): 11633778

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1987, 1989, 3974, 3978, 5961, 11922, 17883, 25831, 33779, 35766, 51662, 67558, 77493, 101337, 154986, 202674, 232479, 304011, 439127, 464958, 608022, 878254, 1317381, 2634762, 3952143, 7904286]

約数ペア:

[(1, 7904286), (2, 3952143), (3, 2634762), (6, 1317381), (9, 878254), (13, 608022), (17, 464958), (18, 439127), (26, 304011), (34, 232479), (39, 202674), (51, 154986), (78, 101337), (102, 77493), (117, 67558), (153, 51662), (221, 35766), (234, 33779), (306, 25831), (442, 17883), (663, 11922), (1326, 5961), (1987, 3978), (1989, 3974)]