201889415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{769}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 299080320

約数和(自身を除く): 97190905

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 577, 769, 2885, 3845, 4039, 5383, 7501, 9997, 20195, 26915, 37505, 49985, 52507, 69979, 262535, 349895, 443713, 2218565, 3105991, 5768269, 15529955, 28841345, 40377883, 201889415]

約数ペア:

[(1, 201889415), (5, 40377883), (7, 28841345), (13, 15529955), (35, 5768269), (65, 3105991), (91, 2218565), (455, 443713), (577, 349895), (769, 262535), (2885, 69979), (3845, 52507), (4039, 49985), (5383, 37505), (7501, 26915), (9997, 20195)]