28309138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 52049088

約数和(自身を除く): 23739950

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 103, 143, 206, 286, 341, 403, 682, 806, 961, 1133, 1339, 1922, 2266, 2678, 3193, 4433, 6386, 8866, 10571, 12493, 14729, 21142, 24986, 29458, 35123, 41509, 70246, 83018, 98983, 137423, 197966, 274846, 456599, 913198, 1088813, 1286779, 2177626, 2573558, 14154569, 28309138]

約数ペア:

[(1, 28309138), (2, 14154569), (11, 2573558), (13, 2177626), (22, 1286779), (26, 1088813), (31, 913198), (62, 456599), (103, 274846), (143, 197966), (206, 137423), (286, 98983), (341, 83018), (403, 70246), (682, 41509), (806, 35123), (961, 29458), (1133, 24986), (1339, 21142), (1922, 14729), (2266, 12493), (2678, 10571), (3193, 8866), (4433, 6386)]