201281395

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4099}}^1$

素因数の和:4195

約数の個数: 32

約数和(自身を含む): 292838400

約数和(自身を除く): 91557005

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 1403, 2135, 4099, 7015, 9821, 20495, 28693, 49105, 94277, 143465, 250039, 471385, 659939, 1250195, 1750273, 3299695, 5750897, 8751365, 28754485, 40256279, 201281395]

約数ペア:

[(1, 201281395), (5, 40256279), (7, 28754485), (23, 8751365), (35, 5750897), (61, 3299695), (115, 1750273), (161, 1250195), (305, 659939), (427, 471385), (805, 250039), (1403, 143465), (2135, 94277), (4099, 49105), (7015, 28693), (9821, 20495)]