407619376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{621371}}^1$

素因数の和:621420

約数の個数: 20

約数和(自身を含む): 809026344

約数和(自身を除く): 401406968

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 621371, 1242742, 2485484, 4970968, 9941936, 25476211, 50952422, 101904844, 203809688, 407619376]

約数ペア:

[(1, 407619376), (2, 203809688), (4, 101904844), (8, 50952422), (16, 25476211), (41, 9941936), (82, 4970968), (164, 2485484), (328, 1242742), (656, 621371)]