138908416

素因数分解:

$2^8\times {\mathrm{281}}^1\times {\mathrm{1931}}^1$

素因数の和:2228

約数の個数: 36

約数和(自身を含む): 278405064

約数和(自身を除く): 139496648

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 281, 562, 1124, 1931, 2248, 3862, 4496, 7724, 8992, 15448, 17984, 30896, 35968, 61792, 71936, 123584, 247168, 494336, 542611, 1085222, 2170444, 4340888, 8681776, 17363552, 34727104, 69454208, 138908416]

約数ペア:

[(1, 138908416), (2, 69454208), (4, 34727104), (8, 17363552), (16, 8681776), (32, 4340888), (64, 2170444), (128, 1085222), (256, 542611), (281, 494336), (562, 247168), (1124, 123584), (1931, 71936), (2248, 61792), (3862, 35968), (4496, 30896), (7724, 17984), (8992, 15448)]