223663388

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 438224640

約数和(自身を除く): 214561252

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 821, 1612, 1642, 2197, 3284, 4394, 5239, 8788, 10478, 10673, 20956, 21346, 25451, 42692, 50902, 68107, 101804, 136214, 138749, 272428, 277498, 330863, 554996, 661726, 1323452, 1803737, 3607474, 4301219, 7214948, 8602438, 17204876, 55915847, 111831694, 223663388]

約数ペア:

[(1, 223663388), (2, 111831694), (4, 55915847), (13, 17204876), (26, 8602438), (31, 7214948), (52, 4301219), (62, 3607474), (124, 1803737), (169, 1323452), (338, 661726), (403, 554996), (676, 330863), (806, 277498), (821, 272428), (1612, 138749), (1642, 136214), (2197, 101804), (3284, 68107), (4394, 50902), (5239, 42692), (8788, 25451), (10478, 21346), (10673, 20956)]