209976184

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{64489}}^1$

素因数の和:64543

約数の個数: 32

約数和(自身を含む): 441111600

約数和(自身を除く): 231135416

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 64489, 128978, 257956, 515912, 709379, 1418758, 2386093, 2837516, 4772186, 5675032, 9544372, 19088744, 26247023, 52494046, 104988092, 209976184]

約数ペア:

[(1, 209976184), (2, 104988092), (4, 52494046), (8, 26247023), (11, 19088744), (22, 9544372), (37, 5675032), (44, 4772186), (74, 2837516), (88, 2386093), (148, 1418758), (296, 709379), (407, 515912), (814, 257956), (1628, 128978), (3256, 64489)]