28369743

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 41256960

約数和(自身を除く): 12887217

約数列:

[1, 3, 29, 31, 67, 87, 93, 157, 201, 471, 899, 1943, 2077, 2697, 4553, 4867, 5829, 6231, 10519, 13659, 14601, 31557, 60233, 141143, 180699, 305051, 326089, 423429, 915153, 978267, 9456581, 28369743]

約数ペア:

[(1, 28369743), (3, 9456581), (29, 978267), (31, 915153), (67, 423429), (87, 326089), (93, 305051), (157, 180699), (201, 141143), (471, 60233), (899, 31557), (1943, 14601), (2077, 13659), (2697, 10519), (4553, 6231), (4867, 5829)]