28958072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 67586400

約数和(自身を除く): 38628328

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1144, 1489, 1496, 1768, 2431, 2978, 4862, 5956, 9724, 11912, 16379, 19357, 19448, 25313, 32758, 38714, 50626, 65516, 77428, 101252, 131032, 154856, 202504, 212927, 278443, 329069, 425854, 556886, 658138, 851708, 1113772, 1316276, 1703416, 2227544, 2632552, 3619759, 7239518, 14479036, 28958072]

約数ペア:

[(1, 28958072), (2, 14479036), (4, 7239518), (8, 3619759), (11, 2632552), (13, 2227544), (17, 1703416), (22, 1316276), (26, 1113772), (34, 851708), (44, 658138), (52, 556886), (68, 425854), (88, 329069), (104, 278443), (136, 212927), (143, 202504), (187, 154856), (221, 131032), (286, 101252), (374, 77428), (442, 65516), (572, 50626), (748, 38714), (884, 32758), (1144, 25313), (1489, 19448), (1496, 19357), (1768, 16379), (2431, 11912), (2978, 9724), (4862, 5956)]