28987790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7193}}^1$

素因数の和:7244

約数の個数: 32

約数和(自身を含む): 58012416

約数和(自身を除く): 29024626

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7193, 14386, 35965, 71930, 93509, 187018, 222983, 445966, 467545, 935090, 1114915, 2229830, 2898779, 5797558, 14493895, 28987790]

約数ペア:

[(1, 28987790), (2, 14493895), (5, 5797558), (10, 2898779), (13, 2229830), (26, 1114915), (31, 935090), (62, 467545), (65, 445966), (130, 222983), (155, 187018), (310, 93509), (403, 71930), (806, 35965), (2015, 14386), (4030, 7193)]