208538295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{42257}}^1$

素因数の和:42319

約数の個数: 32

約数和(自身を含む): 389449728

約数和(自身を除く): 180911433

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 42257, 126771, 211285, 295799, 633855, 887397, 1478995, 1986079, 4436985, 5958237, 9930395, 13902553, 29791185, 41707659, 69512765, 208538295]

約数ペア:

[(1, 208538295), (3, 69512765), (5, 41707659), (7, 29791185), (15, 13902553), (21, 9930395), (35, 5958237), (47, 4436985), (105, 1986079), (141, 1478995), (235, 887397), (329, 633855), (705, 295799), (987, 211285), (1645, 126771), (4935, 42257)]