1278082208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{4793}}^1$

素因数の和:5457

約数の個数: 48

約数和(自身を含む): 2714573736

約数和(自身を除く): 1436491528

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 641, 1282, 2564, 4793, 5128, 8333, 9586, 10256, 16666, 19172, 20512, 33332, 38344, 62309, 66664, 76688, 124618, 133328, 153376, 249236, 266656, 498472, 996944, 1993888, 3072313, 6144626, 12289252, 24578504, 39940069, 49157008, 79880138, 98314016, 159760276, 319520552, 639041104, 1278082208]

約数ペア:

[(1, 1278082208), (2, 639041104), (4, 319520552), (8, 159760276), (13, 98314016), (16, 79880138), (26, 49157008), (32, 39940069), (52, 24578504), (104, 12289252), (208, 6144626), (416, 3072313), (641, 1993888), (1282, 996944), (2564, 498472), (4793, 266656), (5128, 249236), (8333, 153376), (9586, 133328), (10256, 124618), (16666, 76688), (19172, 66664), (20512, 62309), (33332, 38344)]