28439008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 60858000

約数和(自身を除く): 32418992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 137, 208, 274, 416, 499, 548, 998, 1096, 1781, 1996, 2192, 3562, 3992, 4384, 6487, 7124, 7984, 12974, 14248, 15968, 25948, 28496, 51896, 56992, 68363, 103792, 136726, 207584, 273452, 546904, 888719, 1093808, 1777438, 2187616, 3554876, 7109752, 14219504, 28439008]

約数ペア:

[(1, 28439008), (2, 14219504), (4, 7109752), (8, 3554876), (13, 2187616), (16, 1777438), (26, 1093808), (32, 888719), (52, 546904), (104, 273452), (137, 207584), (208, 136726), (274, 103792), (416, 68363), (499, 56992), (548, 51896), (998, 28496), (1096, 25948), (1781, 15968), (1996, 14248), (2192, 12974), (3562, 7984), (3992, 7124), (4384, 6487)]