28771888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:925

約数の個数: 40

約数和(自身を含む): 59527440

約数和(自身を除く): 30755552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 761, 1112, 1522, 2224, 2363, 3044, 4726, 6088, 9452, 12176, 12937, 18904, 25874, 37808, 51748, 103496, 105779, 206992, 211558, 423116, 846232, 1692464, 1798243, 3596486, 7192972, 14385944, 28771888]

約数ペア:

[(1, 28771888), (2, 14385944), (4, 7192972), (8, 3596486), (16, 1798243), (17, 1692464), (34, 846232), (68, 423116), (136, 211558), (139, 206992), (272, 105779), (278, 103496), (556, 51748), (761, 37808), (1112, 25874), (1522, 18904), (2224, 12937), (2363, 12176), (3044, 9452), (4726, 6088)]