221256616

素因数分解:

$2^3\times 7^1\times {\mathrm{751}}^1\times {\mathrm{5261}}^1$

素因数の和:6025

約数の個数: 32

約数和(自身を含む): 474842880

約数和(自身を除く): 253586264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 751, 1502, 3004, 5257, 5261, 6008, 10514, 10522, 21028, 21044, 36827, 42056, 42088, 73654, 147308, 294616, 3951011, 7902022, 15804044, 27657077, 31608088, 55314154, 110628308, 221256616]

約数ペア:

[(1, 221256616), (2, 110628308), (4, 55314154), (7, 31608088), (8, 27657077), (14, 15804044), (28, 7902022), (56, 3951011), (751, 294616), (1502, 147308), (3004, 73654), (5257, 42088), (5261, 42056), (6008, 36827), (10514, 21044), (10522, 21028)]