156904810

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{257221}}^1$

素因数の和:257289

約数の個数: 16

約数和(自身を含む): 287059752

約数和(自身を除く): 130154942

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 257221, 514442, 1286105, 2572210, 15690481, 31380962, 78452405, 156904810]

約数ペア:

[(1, 156904810), (2, 78452405), (5, 31380962), (10, 15690481), (61, 2572210), (122, 1286105), (305, 514442), (610, 257221)]