26786968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 58212000

約数和(自身を除く): 31425032

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 109, 136, 139, 218, 221, 278, 436, 442, 556, 872, 884, 1112, 1417, 1768, 1807, 1853, 2363, 2834, 3614, 3706, 4726, 5668, 7228, 7412, 9452, 11336, 14456, 14824, 15151, 18904, 24089, 30302, 30719, 48178, 60604, 61438, 96356, 121208, 122876, 192712, 196963, 245752, 257567, 393926, 515134, 787852, 1030268, 1575704, 2060536, 3348371, 6696742, 13393484, 26786968]

約数ペア:

[(1, 26786968), (2, 13393484), (4, 6696742), (8, 3348371), (13, 2060536), (17, 1575704), (26, 1030268), (34, 787852), (52, 515134), (68, 393926), (104, 257567), (109, 245752), (136, 196963), (139, 192712), (218, 122876), (221, 121208), (278, 96356), (436, 61438), (442, 60604), (556, 48178), (872, 30719), (884, 30302), (1112, 24089), (1417, 18904), (1768, 15151), (1807, 14824), (1853, 14456), (2363, 11336), (2834, 9452), (3614, 7412), (3706, 7228), (4726, 5668)]