221364808

素因数分解:

$2^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{10321}}^1$

素因数の和:10717

約数の個数: 32

約数和(自身を含む): 475637760

約数和(自身を除く): 254272952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383, 766, 1532, 2681, 3064, 5362, 10321, 10724, 20642, 21448, 41284, 72247, 82568, 144494, 288988, 577976, 3952943, 7905886, 15811772, 27670601, 31623544, 55341202, 110682404, 221364808]

約数ペア:

[(1, 221364808), (2, 110682404), (4, 55341202), (7, 31623544), (8, 27670601), (14, 15811772), (28, 7905886), (56, 3952943), (383, 577976), (766, 288988), (1532, 144494), (2681, 82568), (3064, 72247), (5362, 41284), (10321, 21448), (10724, 20642)]