87689042

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 153014400

約数和(自身を除く): 65325358

約数列:

[1, 2, 7, 14, 131, 137, 262, 274, 349, 698, 917, 959, 1834, 1918, 2443, 4886, 17947, 35894, 45719, 47813, 91438, 95626, 125629, 251258, 320033, 334691, 640066, 669382, 6263503, 12527006, 43844521, 87689042]

約数ペア:

[(1, 87689042), (2, 43844521), (7, 12527006), (14, 6263503), (131, 669382), (137, 640066), (262, 334691), (274, 320033), (349, 251258), (698, 125629), (917, 95626), (959, 91438), (1834, 47813), (1918, 45719), (2443, 35894), (4886, 17947)]