28396655

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 40832640

約数和(自身を除く): 12435985

約数列:

[1, 5, 7, 29, 35, 101, 145, 203, 277, 505, 707, 1015, 1385, 1939, 2929, 3535, 8033, 9695, 14645, 20503, 27977, 40165, 56231, 102515, 139885, 195839, 281155, 811333, 979195, 4056665, 5679331, 28396655]

約数ペア:

[(1, 28396655), (5, 5679331), (7, 4056665), (29, 979195), (35, 811333), (101, 281155), (145, 195839), (203, 139885), (277, 102515), (505, 56231), (707, 40165), (1015, 27977), (1385, 20503), (1939, 14645), (2929, 9695), (3535, 8033)]