217888

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:640

約数の個数: 24

約数和(自身を含む): 468720

約数和(自身を除く): 250832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 619, 1238, 2476, 4952, 6809, 9904, 13618, 19808, 27236, 54472, 108944, 217888]

約数ペア:

[(1, 217888), (2, 108944), (4, 54472), (8, 27236), (11, 19808), (16, 13618), (22, 9904), (32, 6809), (44, 4952), (88, 2476), (176, 1238), (352, 619)]