28815790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 53371584

約数和(自身を除く): 24555794

約数列:

[1, 2, 5, 10, 61, 97, 122, 194, 305, 485, 487, 610, 970, 974, 2435, 4870, 5917, 11834, 29585, 29707, 47239, 59170, 59414, 94478, 148535, 236195, 297070, 472390, 2881579, 5763158, 14407895, 28815790]

約数ペア:

[(1, 28815790), (2, 14407895), (5, 5763158), (10, 2881579), (61, 472390), (97, 297070), (122, 236195), (194, 148535), (305, 94478), (485, 59414), (487, 59170), (610, 47239), (970, 29707), (974, 29585), (2435, 11834), (4870, 5917)]