165139408

素因数分解:

$2^4\times 7^3\times {\mathrm{30091}}^1$

素因数の和:30120

約数の個数: 40

約数和(自身を含む): 373140800

約数和(自身を除く): 208001392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 30091, 60182, 120364, 210637, 240728, 421274, 481456, 842548, 1474459, 1685096, 2948918, 3370192, 5897836, 10321213, 11795672, 20642426, 23591344, 41284852, 82569704, 165139408]

約数ペア:

[(1, 165139408), (2, 82569704), (4, 41284852), (7, 23591344), (8, 20642426), (14, 11795672), (16, 10321213), (28, 5897836), (49, 3370192), (56, 2948918), (98, 1685096), (112, 1474459), (196, 842548), (343, 481456), (392, 421274), (686, 240728), (784, 210637), (1372, 120364), (2744, 60182), (5488, 30091)]