1991730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5107}}^1$

素因数の和:5130

約数の個数: 32

約数和(自身を含む): 5148864

約数和(自身を除く): 3157134

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 5107, 10214, 15321, 25535, 30642, 51070, 66391, 76605, 132782, 153210, 199173, 331955, 398346, 663910, 995865, 1991730]

約数ペア:

[(1, 1991730), (2, 995865), (3, 663910), (5, 398346), (6, 331955), (10, 199173), (13, 153210), (15, 132782), (26, 76605), (30, 66391), (39, 51070), (65, 30642), (78, 25535), (130, 15321), (195, 10214), (390, 5107)]