201649778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1297}}^1$

素因数の和:1538

約数の個数: 32

約数和(自身を含む): 340927488

約数和(自身を除く): 139277710

約数列:

[1, 2, 11, 22, 37, 74, 191, 382, 407, 814, 1297, 2101, 2594, 4202, 7067, 14134, 14267, 28534, 47989, 77737, 95978, 155474, 247727, 495454, 527879, 1055758, 2724997, 5449994, 9165899, 18331798, 100824889, 201649778]

約数ペア:

[(1, 201649778), (2, 100824889), (11, 18331798), (22, 9165899), (37, 5449994), (74, 2724997), (191, 1055758), (382, 527879), (407, 495454), (814, 247727), (1297, 155474), (2101, 95978), (2594, 77737), (4202, 47989), (7067, 28534), (14134, 14267)]