218447788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{221101}}^1$

素因数の和:221137

約数の個数: 24

約数和(自身を含む): 433359920

約数和(自身を除く): 214912132

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 221101, 442202, 884404, 2874313, 4200919, 5748626, 8401838, 11497252, 16803676, 54611947, 109223894, 218447788]

約数ペア:

[(1, 218447788), (2, 109223894), (4, 54611947), (13, 16803676), (19, 11497252), (26, 8401838), (38, 5748626), (52, 4200919), (76, 2874313), (247, 884404), (494, 442202), (988, 221101)]