161987532

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{275489}}^1$

素因数の和:275510

約数の個数: 36

約数和(自身を含む): 439682040

約数和(自身を除く): 277694508

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 275489, 550978, 826467, 1101956, 1652934, 1928423, 3305868, 3856846, 5785269, 7713692, 11570538, 13498961, 23141076, 26997922, 40496883, 53995844, 80993766, 161987532]

約数ペア:

[(1, 161987532), (2, 80993766), (3, 53995844), (4, 40496883), (6, 26997922), (7, 23141076), (12, 13498961), (14, 11570538), (21, 7713692), (28, 5785269), (42, 3856846), (49, 3305868), (84, 1928423), (98, 1652934), (147, 1101956), (196, 826467), (294, 550978), (588, 275489)]