221608088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{68737}}^1$

素因数の和:68787

約数の個数: 32

約数和(自身を含む): 461919360

約数和(自身を除く): 240311272

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 68737, 137474, 274948, 549896, 893581, 1787162, 2130847, 3574324, 4261694, 7148648, 8523388, 17046776, 27701011, 55402022, 110804044, 221608088]

約数ペア:

[(1, 221608088), (2, 110804044), (4, 55402022), (8, 27701011), (13, 17046776), (26, 8523388), (31, 7148648), (52, 4261694), (62, 3574324), (104, 2130847), (124, 1787162), (248, 893581), (403, 549896), (806, 274948), (1612, 137474), (3224, 68737)]