28398630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72817}}^1$

素因数の和:72840

約数の個数: 32

約数和(自身を含む): 73400544

約数和(自身を除く): 45001914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72817, 145634, 218451, 364085, 436902, 728170, 946621, 1092255, 1893242, 2184510, 2839863, 4733105, 5679726, 9466210, 14199315, 28398630]

約数ペア:

[(1, 28398630), (2, 14199315), (3, 9466210), (5, 5679726), (6, 4733105), (10, 2839863), (13, 2184510), (15, 1893242), (26, 1092255), (30, 946621), (39, 728170), (65, 436902), (78, 364085), (130, 218451), (195, 145634), (390, 72817)]