201981890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{49627}}^1$

素因数の和:49682

約数の個数: 32

約数和(自身を含む): 407346624

約数和(自身を除く): 205364734

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 49627, 99254, 248135, 496270, 545897, 1091794, 1836199, 2729485, 3672398, 5458970, 9180995, 18361990, 20198189, 40396378, 100990945, 201981890]

約数ペア:

[(1, 201981890), (2, 100990945), (5, 40396378), (10, 20198189), (11, 18361990), (22, 9180995), (37, 5458970), (55, 3672398), (74, 2729485), (110, 1836199), (185, 1091794), (370, 545897), (407, 496270), (814, 248135), (2035, 99254), (4070, 49627)]