31238890

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{42793}}^1$

素因数の和:42873

約数の個数: 16

約数和(自身を含む): 57001608

約数和(自身を除く): 25762718

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 42793, 85586, 213965, 427930, 3123889, 6247778, 15619445, 31238890]

約数ペア:

[(1, 31238890), (2, 15619445), (5, 6247778), (10, 3123889), (73, 427930), (146, 213965), (365, 85586), (730, 42793)]