42571808

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 89540640

約数和(自身を除く): 46968832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 139, 272, 278, 544, 556, 563, 1112, 1126, 2224, 2252, 2363, 4448, 4504, 4726, 9008, 9452, 9571, 18016, 18904, 19142, 37808, 38284, 75616, 76568, 78257, 153136, 156514, 306272, 313028, 626056, 1252112, 1330369, 2504224, 2660738, 5321476, 10642952, 21285904, 42571808]

約数ペア:

[(1, 42571808), (2, 21285904), (4, 10642952), (8, 5321476), (16, 2660738), (17, 2504224), (32, 1330369), (34, 1252112), (68, 626056), (136, 313028), (139, 306272), (272, 156514), (278, 153136), (544, 78257), (556, 76568), (563, 75616), (1112, 38284), (1126, 37808), (2224, 19142), (2252, 18904), (2363, 18016), (4448, 9571), (4504, 9452), (4726, 9008)]