217445930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{16561}}^1$

素因数の和:16682

約数の個数: 32

約数和(自身を含む): 425709648

約数和(自身を除く): 208263718

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2626, 6565, 13130, 16561, 33122, 82805, 165610, 215293, 430586, 1076465, 1672661, 2152930, 3345322, 8363305, 16726610, 21744593, 43489186, 108722965, 217445930]

約数ペア:

[(1, 217445930), (2, 108722965), (5, 43489186), (10, 21744593), (13, 16726610), (26, 8363305), (65, 3345322), (101, 2152930), (130, 1672661), (202, 1076465), (505, 430586), (1010, 215293), (1313, 165610), (2626, 82805), (6565, 33122), (13130, 16561)]