393017690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97523}}^1$

素因数の和:97574

約数の個数: 32

約数和(自身を含む): 786433536

約数和(自身を除く): 393415846

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 97523, 195046, 487615, 975230, 1267799, 2535598, 3023213, 6046426, 6338995, 12677990, 15116065, 30232130, 39301769, 78603538, 196508845, 393017690]

約数ペア:

[(1, 393017690), (2, 196508845), (5, 78603538), (10, 39301769), (13, 30232130), (26, 15116065), (31, 12677990), (62, 6338995), (65, 6046426), (130, 3023213), (155, 2535598), (310, 1267799), (403, 975230), (806, 487615), (2015, 195046), (4030, 97523)]