2541866545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{399979}}^1$

素因数の和:400056

約数の個数: 16

約数和(自身を含む): 3225438720

約数和(自身を除く): 683572175

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 399979, 1999895, 12399349, 16399139, 61996745, 81995695, 508373309, 2541866545]

約数ペア:

[(1, 2541866545), (5, 508373309), (31, 81995695), (41, 61996745), (155, 16399139), (205, 12399349), (1271, 1999895), (6355, 399979)]