209703304

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{18899}}^1$

素因数の和:18997

約数の個数: 32

約数和(自身を含む): 419580000

約数和(自身を除く): 209876696

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 2774, 5548, 11096, 18899, 37798, 75596, 151192, 359081, 718162, 1379627, 1436324, 2759254, 2872648, 5518508, 11037016, 26212913, 52425826, 104851652, 209703304]

約数ペア:

[(1, 209703304), (2, 104851652), (4, 52425826), (8, 26212913), (19, 11037016), (38, 5518508), (73, 2872648), (76, 2759254), (146, 1436324), (152, 1379627), (292, 718162), (584, 359081), (1387, 151192), (2774, 75596), (5548, 37798), (11096, 18899)]