261738274

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{2039}}^1$

素因数の和:2274

約数の個数: 32

約数和(自身を含む): 460028160

約数和(自身を除く): 198289886

約数列:

[1, 2, 7, 14, 53, 106, 173, 346, 371, 742, 1211, 2039, 2422, 4078, 9169, 14273, 18338, 28546, 64183, 108067, 128366, 216134, 352747, 705494, 756469, 1512938, 2469229, 4938458, 18695591, 37391182, 130869137, 261738274]

約数ペア:

[(1, 261738274), (2, 130869137), (7, 37391182), (14, 18695591), (53, 4938458), (106, 2469229), (173, 1512938), (346, 756469), (371, 705494), (742, 352747), (1211, 216134), (2039, 128366), (2422, 108067), (4078, 64183), (9169, 28546), (14273, 18338)]